diff --git a/04_removeFromArray/removeFromArray.js b/04_removeFromArray/removeFromArray.js
index 1bedeb0..c59bce8 100644
--- a/04_removeFromArray/removeFromArray.js
+++ b/04_removeFromArray/removeFromArray.js
@@ -1,5 +1,13 @@
-const removeFromArray = function() {
+const removeFromArray = function(arr, ...args) {
+    const newArr = [];
 
+    arr.forEach((item) => {
+        if(!args.includes(item)) {
+            newArr.push(item);
+        }
+    });
+
+    return newArr;
 };
 
 // Do not edit below this line
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/05_sumAll/sumAll.js b/05_sumAll/sumAll.js
index 00880c7..471365d 100644
--- a/05_sumAll/sumAll.js
+++ b/05_sumAll/sumAll.js
@@ -1,5 +1,19 @@
-const sumAll = function() {
+const sumAll = function(num1, num2) {
+    let sum = 0;
+    const arr = [];
 
+    if(!Number.isInteger(num1) || !Number.isInteger(num2)) return 'ERROR';
+    if(num1 < 0 || num2 < 0) return 'ERROR';
+
+    for(let i = 1; i <= Math.max(num1, num2); i++) {
+        arr.push(i);
+    }
+
+    arr.forEach(num => {
+        sum += num;
+    })
+
+    return sum;
 };
 
 // Do not edit below this line
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');
   });
 });