diff --git a/01_helloWorld/helloWorld.js b/01_helloWorld/helloWorld.js
index df27036..b542f3b 100644
--- a/01_helloWorld/helloWorld.js
+++ b/01_helloWorld/helloWorld.js
@@ -1,5 +1,5 @@
 const helloWorld = function() {
-  return ''
+  return 'Hello, World!'
 };
 
 module.exports = helloWorld;
diff --git a/02_repeatString/repeatString.js b/02_repeatString/repeatString.js
index 4359bbe..f800801 100644
--- a/02_repeatString/repeatString.js
+++ b/02_repeatString/repeatString.js
@@ -1,6 +1,23 @@
-const repeatString = function() {
-
+const repeatString = function(str, num) {
+    myStr = "";
+    if (num < 0) {
+        myStr = "ERROR";
+    } else {
+    for (let i = 0; i < num; i++) {
+        if (num < 0) {
+            myStr = "ERROR";
+        }
+        myStr = myStr + str;
+    }
+    }
+    return myStr;
 };
 
+myTest = repeatString("hey", 5);
+console.log(myTest);
+
+//var print_test = repeatString();
+//console.log(print_test)
+
 // Do not edit below this line
 module.exports = repeatString;
diff --git a/02_repeatString/repeatString.spec.js b/02_repeatString/repeatString.spec.js
index 912ac20..4a8121b 100644
--- a/02_repeatString/repeatString.spec.js
+++ b/02_repeatString/repeatString.spec.js
@@ -4,19 +4,19 @@ describe('repeatString', () => {
   test('repeats the string', () => {
     expect(repeatString('hey', 3)).toEqual('heyheyhey');
   });
-  test.skip('repeats the string many times', () => {
+  test('repeats the string many times', () => {
     expect(repeatString('hey', 10)).toEqual('heyheyheyheyheyheyheyheyheyhey');
   });
-  test.skip('repeats the string 1 times', () => {
+  test('repeats the string 1 times', () => {
     expect(repeatString('hey', 1)).toEqual('hey');
   });
-  test.skip('repeats the string 0 times', () => {
+  test('repeats the string 0 times', () => {
     expect(repeatString('hey', 0)).toEqual('');
   });
-  test.skip('returns ERROR with negative numbers', () => {
+  test('returns ERROR with negative numbers', () => {
     expect(repeatString('hey', -1)).toEqual('ERROR');
   });
-  test.skip('repeats the string a random amount of times', function () {
+  test('repeats the string a random amount of times', function () {
     /*The number is generated by using Math.random to get a value from between
     0 to 1, when this is multiplied by 1000 and rounded down with Math.floor it 
     equals a number between 0 to 999 (this number will change everytime you run
@@ -31,7 +31,7 @@ describe('repeatString', () => {
     was randomly generated. */
     expect(repeatString('hey', number).match(/((hey))/g).length).toEqual(number);
   });
-  test.skip('works with blank strings', () => {
+  test('works with blank strings', () => {
     expect(repeatString('', 10)).toEqual('');
   });
 });
diff --git a/03_reverseString/reverseString.js b/03_reverseString/reverseString.js
index b6d0a9a..56ad3a5 100644
--- a/03_reverseString/reverseString.js
+++ b/03_reverseString/reverseString.js
@@ -1,6 +1,14 @@
 const reverseString = function(str) {
-
+    var toArray = str.split("");
+    var toReverse = toArray.reverse();
+    var toJoin = toReverse.join("");
+    return toJoin;
 };
 
+var stri = ("pedro almeida");
+myTest = reverseString(stri);
+
+console.log(myTest);
+
 // Do not edit below this line
 module.exports = reverseString;
diff --git a/03_reverseString/reverseString.spec.js b/03_reverseString/reverseString.spec.js
index 8adb887..b51c50e 100644
--- a/03_reverseString/reverseString.spec.js
+++ b/03_reverseString/reverseString.spec.js
@@ -5,14 +5,14 @@ describe('reverseString', () => {
     expect(reverseString('hello')).toEqual('olleh');
   });
 
-  test.skip('reverses multiple words', () => {
+  test('reverses multiple words', () => {
     expect(reverseString('hello there')).toEqual('ereht olleh')
   })
 
-  test.skip('works with numbers and punctuation', () => {
+  test('works with numbers and punctuation', () => {
     expect(reverseString('123! abc!')).toEqual('!cba !321')
   })
-  test.skip('works with blank strings', () => {
+  test('works with blank strings', () => {
     expect(reverseString('')).toEqual('')
   })
 });
diff --git a/04_removeFromArray/arrayTesting.js b/04_removeFromArray/arrayTesting.js
new file mode 100644
index 0000000..81344a3
--- /dev/null
+++ b/04_removeFromArray/arrayTesting.js
@@ -0,0 +1,26 @@
+const myArray = [1,2,3,1,1,1,1];
+console.log(myArray);
+
+//const myArray2 = myArray[2];
+//console.log(myArray2);
+
+const a = 1;
+const arrayLen = myArray.length;
+const index = [];
+let pos = 0;
+
+while (pos < arrayLen) {
+    pos = myArray.indexOf(a, pos);
+    if (pos === -1) break;
+    index.push(pos);
+    pos = pos + 1;
+}
+
+console.log("The index is: " + index);
+
+for (var i = 0; i < arrayLen; i++) {
+    console.log(i);
+    myArray.splice(index[i, 1]);
+}
+
+console.log(myArray);
diff --git a/04_removeFromArray/removeFromArray.js b/04_removeFromArray/removeFromArray.js
index 1bedeb0..5c5a586 100644
--- a/04_removeFromArray/removeFromArray.js
+++ b/04_removeFromArray/removeFromArray.js
@@ -1,6 +1,51 @@
-const removeFromArray = function() {
+/* const removeFromArray = function(myArray, remArray) {
+    return myArray.filter(v => {
+        return !remArray.includes(v);
+    });
+}
 
-};
+testArray = [1,2,3,4,3,1,4,4,6,54,2,1,4,5,3,2];
+remArray = [3,4,5,6];
+testPrint = removeFromArray(testArray, remArray);
+console.log(testPrint);
+// Do not edit below this line
+module.exports = removeFromArray; */
 
+/* const removeFromArray = function(myArray, num1, num2) {
+    // Remove multiple values from array
+    arrayLen = myArray.length;
+    pos1 = myArray.indexOf(num1);
+    pos2 = myArray.indexOf(num2);
+    for (i = 0; i < arrayLen; i++) {
+        if (pos1 === -1) break;
+        myArray.splice(pos1, 1);
+        console.log("Length after first loop: " + myArray.length);
+        break;
+    }
+    for (i = 0; i < arrayLen; i++) {
+        if (pos2 === -1) break;
+        myArray.splice(pos2, 1);
+        console.log("Length after second loop: " + myArray.length)
+        break;
+    }
+    return myArray;
+} */
+
+const removeFromArray = function(myArray, ...args) {
+    arrayLen = myArray.length;
+    for (k = 0; k < arrayLen; k++) {
+        for (arg of args) {
+            inArray = myArray.includes(arg);
+            if (inArray == true) {
+                index = myArray.indexOf(arg);
+                myArray.splice(index, 1);
+        }
+    }    
+    }
+return myArray;
+}
+testArray = [1,2,3,4,3,4,3,2];
+testPrint = removeFromArray(testArray, 7, 3, 2, 4, 5, 6, "tomato");
+console.log(testPrint);
 // Do not edit below this line
 module.exports = removeFromArray;
diff --git a/04_removeFromArray/removeFromArray.spec.js b/04_removeFromArray/removeFromArray.spec.js
index 21f34cf..c17239a 100644
--- a/04_removeFromArray/removeFromArray.spec.js
+++ b/04_removeFromArray/removeFromArray.spec.js
@@ -4,22 +4,22 @@ describe('removeFromArray', () => {
   test('removes a single value', () => {
     expect(removeFromArray([1, 2, 3, 4], 3)).toEqual([1, 2, 4]);
   });
-  test.skip('removes multiple values', () => {
+  test('removes multiple values', () => {
     expect(removeFromArray([1, 2, 3, 4], 3, 2)).toEqual([1, 4]);
   });
-  test.skip('ignores non present values', () => {
+  test('ignores non present values', () => {
     expect(removeFromArray([1, 2, 3, 4], 7, "tacos")).toEqual([1, 2, 3, 4]);
   });
-  test.skip('ignores non present values, but still works', () => {
+  test('ignores non present values, but still works', () => {
     expect(removeFromArray([1, 2, 3, 4], 7, 2)).toEqual([1, 3, 4]);
   });
-  test.skip('can remove all values', () => {
+  test('can remove all values', () => {
     expect(removeFromArray([1, 2, 3, 4], 1, 2, 3, 4)).toEqual([]);
   });
-  test.skip('works with strings', () => {
+  test('works with strings', () => {
     expect(removeFromArray(["hey", 2, 3, "ho"], "hey", 3)).toEqual([2, "ho"]);
   });
-  test.skip('only removes same type', () => {
+  test('only removes same type', () => {
     expect(removeFromArray([1, 2, 3], "1", 3)).toEqual([1, 2]);
   });
 });
diff --git a/04_removeFromArray/removeFromArray_.js b/04_removeFromArray/removeFromArray_.js
new file mode 100644
index 0000000..f5bef1f
--- /dev/null
+++ b/04_removeFromArray/removeFromArray_.js
@@ -0,0 +1,35 @@
+const removeFromArray = function(myArray, remArray) {
+    index = [];
+    //myArray = myArray.sort();
+    a1Len = myArray.length;
+    console.log("Length 1: " + a1Len);
+    a2Len = remArray.length;
+    console.log("Length 2: " + a2Len);
+    pos1 = 0;
+    pos2 = 0;
+
+    while (pos2 < a2Len) {
+        while (pos1 < a1Len) {
+            pos1 = myArray.indexOf(remArray[pos2], pos1);
+            console.log("Position 1: " + pos1);
+            console.log("Position 2: " + pos2);
+            if (pos1 === -1) break;
+
+            myArray.splice(pos1, 1);
+            pos1 = pos1 + 1;
+        }
+        pos2 = pos2 + 1;
+    }
+    
+    //index.push(myArray.indexOf(toRemove));
+    return myArray;
+}
+
+testArray = [1,2,3,4];
+remArray = [3,4];
+testPrint = removeFromArray(testArray, remArray);
+console.log(testPrint);
+//console.log(pos);
+//console.log(testArray.length);
+// Do not edit below this line
+module.exports = removeFromArray;
diff --git a/05_sumAll/sumAll.js b/05_sumAll/sumAll.js
index 00880c7..10c91ec 100644
--- a/05_sumAll/sumAll.js
+++ b/05_sumAll/sumAll.js
@@ -1,6 +1,24 @@
-const sumAll = function() {
-
+const sumAll = function(num1, num2) {
+    if (num1 < 0 || num2 < 0 || typeof num1 != "number" || typeof num2 != "number") {
+        return 'ERROR';
+    }else if (num1 > num2) {
+        var mySum = 0;
+        for (i = num2; i < num1; i++) {
+            mySum = mySum + i;
+        } 
+        mySum += num1;
+    } else {
+        var mySum = 0;
+        for (i = num1; i < num2; i++) {
+            mySum = mySum + i;
+        }
+        mySum += num2;
+    }
+    
+    return mySum;
 };
 
+testPrint = sumAll(1, 4);
+console.log(testPrint);
 // Do not edit below this line
 module.exports = sumAll;
diff --git a/05_sumAll/sumAll.spec.js b/05_sumAll/sumAll.spec.js
index 1a9fb7c..a171e5f 100644
--- a/05_sumAll/sumAll.spec.js
+++ b/05_sumAll/sumAll.spec.js
@@ -4,19 +4,19 @@ describe('sumAll', () => {
   test('sums numbers within the range', () => {
     expect(sumAll(1, 4)).toEqual(10);
   });
-  test.skip('works with large numbers', () => {
+  test('works with large numbers', () => {
     expect(sumAll(1, 4000)).toEqual(8002000);
   });
-  test.skip('works with larger number first', () => {
+  test('works with larger number first', () => {
     expect(sumAll(123, 1)).toEqual(7626);
   });
-  test.skip('returns ERROR with negative numbers', () => {
+  test('returns ERROR with negative numbers', () => {
     expect(sumAll(-10, 4)).toEqual('ERROR');
   });
-  test.skip('returns ERROR with non-number parameters', () => {
+  test('returns ERROR with non-number parameters', () => {
     expect(sumAll(10, "90")).toEqual('ERROR');
   });
-  test.skip('returns ERROR with non-number parameters', () => {
+  test('returns ERROR with non-number parameters', () => {
     expect(sumAll(10, [90, 1])).toEqual('ERROR');
   });
 });
diff --git a/06_leapYears/leapYears.js b/06_leapYears/leapYears.js
index 681eeef..87c92d0 100644
--- a/06_leapYears/leapYears.js
+++ b/06_leapYears/leapYears.js
@@ -1,6 +1,17 @@
-const leapYears = function() {
+const leapYears = function(year) {
+    if (year % 400 === 0) {
+        return true;
+    } else if (year % 4 === 0) {
+        if (year % 100 === 0) {
+            return false;
+        } else {
+            return true;
+        }
+    } return false;
+}
 
-};
+testPrint = leapYears(400);
+console.log(testPrint);
 
 // Do not edit below this line
 module.exports = leapYears;
diff --git a/06_leapYears/leapYears.spec.js b/06_leapYears/leapYears.spec.js
index 6fdaba9..2cd4110 100644
--- a/06_leapYears/leapYears.spec.js
+++ b/06_leapYears/leapYears.spec.js
@@ -4,19 +4,19 @@ describe('leapYears', () => {
   test('works with non century years', () => {
     expect(leapYears(1996)).toBe(true);
   });
-  test.skip('works with non century years', () => {
+  test('works with non century years', () => {
     expect(leapYears(1997)).toBe(false);
   });
-  test.skip('works with ridiculously futuristic non century years', () => {
+  test('works with ridiculously futuristic non century years', () => {
     expect(leapYears(34992)).toBe(true);
   });
-  test.skip('works with century years', () => {
+  test('works with century years', () => {
     expect(leapYears(1900)).toBe(false);
   });
-  test.skip('works with century years', () => {
+  test('works with century years', () => {
     expect(leapYears(1600)).toBe(true);
   });
-  test.skip('works with century years', () => {
+  test('works with century years', () => {
     expect(leapYears(700)).toBe(false);
   });
 });
diff --git a/10_fibonacci/README.md b/10_fibonacci/README.md
index 9e65347..9d07f44 100644
--- a/10_fibonacci/README.md
+++ b/10_fibonacci/README.md
@@ -5,6 +5,6 @@ Create a function that returns a specific member of the Fibonacci sequence:
 > A series of numbers in which each number ( Fibonacci number ) is the sum of the two preceding numbers. The simplest is the series 1, 1, 2, 3, 5, 8, etc.
 
 ```javascript
-fibonacci(4) // returns the 4th member of the series: 3  (1, 1, 2, 3)
-fibonacci(6) // returns 8
+fibonacci(4); // returns the 4th member of the series: 3  (1, 1, 2, 3)
+fibonacci(6); // returns 8
 ```
diff --git a/package-lock.json b/package-lock.json
index d9e2bee..d7caa3d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1253,9 +1253,9 @@
       "dev": true
     },
     "caniuse-lite": {
-      "version": "1.0.30001223",
-      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001223.tgz",
-      "integrity": "sha512-k/RYs6zc/fjbxTjaWZemeSmOjO0JJV+KguOBA3NwPup8uzxM1cMhR2BD9XmO86GuqaqTCO8CgkgH9Rz//vdDiA==",
+      "version": "1.0.30001302",
+      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001302.tgz",
+      "integrity": "sha512-YYTMO+tfwvgUN+1ZnRViE53Ma1S/oETg+J2lISsqi/ZTNThj3ZYBOKP2rHwJc37oCsPqAzJ3w2puZHn0xlLPPw==",
       "dev": true
     },
     "capture-exit": {
diff --git a/package.json b/package.json
index 3c203fe..31043d4 100644
--- a/package.json
+++ b/package.json
@@ -26,9 +26,10 @@
   "eslintConfig": {
     "root": true
   },
-   "jest": {
+  "jest": {
     "testPathIgnorePatterns": [
       "generator-exercise/"
     ]
-  }
+  },
+  "dependencies": {}
 }