diff --git a/Week1/homework/app.js b/Week1/homework/app.js
index a9b5f75d8..e69de29bb 100644
--- a/Week1/homework/app.js
+++ b/Week1/homework/app.js
@@ -1,11 +0,0 @@
-'use strict';
-
-{
-  const bookTitles = [
-    // Replace with your own book titles
-    'harry_potter_chamber_secrets',
-  ];
-
-  // Replace with your own code
-  console.log(bookTitles);
-}
diff --git a/Week1/homework/index.html b/Week1/homework/index.html
index b22147cd1..e69de29bb 100644
--- a/Week1/homework/index.html
+++ b/Week1/homework/index.html
@@ -1 +0,0 @@
-<!-- replace this with your HTML content -->
\ No newline at end of file
diff --git a/Week1/homework/style.css b/Week1/homework/style.css
index bab13ec23..e69de29bb 100644
--- a/Week1/homework/style.css
+++ b/Week1/homework/style.css
@@ -1 +0,0 @@
-/* add your styling here */
\ No newline at end of file
diff --git a/Week3/homework/step2-1.js b/Week3/homework/step2-1.js
index d5699882c..28fa47a4b 100644
--- a/Week3/homework/step2-1.js
+++ b/Week3/homework/step2-1.js
@@ -1,9 +1,7 @@
 'use strict';
 
 function foo(func) {
-  // What to do here?
-  // Replace this comment and the next line with your code
-  console.log(func);
+  func();
 }
 
 function bar() {
diff --git a/Week3/homework/step2-2.js b/Week3/homework/step2-2.js
index dcd135040..e17f1cbcc 100644
--- a/Week3/homework/step2-2.js
+++ b/Week3/homework/step2-2.js
@@ -1,22 +1,32 @@
 'use strict';
 
-function threeFive(startIndex, stopIndex, threeCallback, fiveCallback) {
-  const numbers = [];
-
-  // Replace this comment and the next line with your code
-  console.log(startIndex, stopIndex, threeCallback, fiveCallback, numbers);
-}
-
 function sayThree(number) {
-  // Replace this comment and the next line with your code
   console.log(number);
 }
 
 function sayFive(number) {
-  // Replace this comment and the next line with your code
   console.log(number);
 }
 
+function threeFive(startIndex, stopIndex, threeCallback, fiveCallback) {
+  const numbers = [];
+  let numbersStart = startIndex;
+  const numbersEnd = stopIndex;
+  while (numbersStart <= numbersEnd) {
+    numbers.push(numbersStart);
+    numbersStart++;
+  }
+  for (let i = 0; i < numbers.length; i++) {
+    const number = numbers[i];
+    if (number % 3 === 0) {
+      threeCallback(number);
+    }
+    if (number % 5 === 0) {
+      fiveCallback(number);
+    }
+  }
+}
+
 threeFive(10, 15, sayThree, sayFive);
 
 // Do not change or remove anything below this line
diff --git a/Week3/homework/step2-3.js b/Week3/homework/step2-3.js
index 00845c5eb..5d1b4c946 100644
--- a/Week3/homework/step2-3.js
+++ b/Week3/homework/step2-3.js
@@ -4,10 +4,9 @@
 function repeatStringNumTimesWithFor(str, num) {
   // eslint-disable-next-line prefer-const
   let result = '';
-
-  // Replace this comment and the next line with your code
-  console.log(str, num, result);
-
+  for (let i = 0; i < num; i++) {
+    result += str;
+  }
   return result;
 }
 
@@ -17,10 +16,11 @@ console.log('for', repeatStringNumTimesWithFor('abc', 3));
 function repeatStringNumTimesWithWhile(str, num) {
   // eslint-disable-next-line prefer-const
   let result = '';
-
-  // Replace this comment and the next line with your code
-  console.log(str, num, result);
-
+  let counter = 0;
+  while (counter < num) {
+    result += str;
+    counter++;
+  }
   return result;
 }
 
@@ -30,14 +30,17 @@ console.log('while', repeatStringNumTimesWithWhile('abc', 3));
 function repeatStringNumTimesWithDoWhile(str, num) {
   // eslint-disable-next-line prefer-const
   let result = '';
-
-  // Replace this comment and the next line with your code
-  console.log(str, num, result);
-
+  let i = 0;
+  if (num > 0) {
+    do {
+      result += str;
+      i++;
+    } while (i < num);
+  }
   return result;
 }
 
-console.log('do-while', repeatStringNumTimesWithDoWhile('abc', 3));
+console.log('do-while', repeatStringNumTimesWithDoWhile('abc', 0));
 
 // Do not change or remove anything below this line
 module.exports = {
diff --git a/Week3/homework/step2-4.js b/Week3/homework/step2-4.js
index b11b1dcb6..84dba14ec 100644
--- a/Week3/homework/step2-4.js
+++ b/Week3/homework/step2-4.js
@@ -1,7 +1,9 @@
 'use strict';
 
 function Dog() {
-  // add your code here
+  this.name = 'Fido';
+  this.color = 'white and brown';
+  this.numLegs = 4;
 }
 
 const hound = new Dog();
diff --git a/Week3/homework/step2-5.js b/Week3/homework/step2-5.js
index cbb54fa1d..36e926c99 100644
--- a/Week3/homework/step2-5.js
+++ b/Week3/homework/step2-5.js
@@ -4,8 +4,11 @@ function multiplyAll(arr) {
   // eslint-disable-next-line
   let product = 1;
 
-  // Replace this comment and the next line with your code
-  console.log(arr, product);
+  for (let i = 0; i < arr.length; i++) {
+    for (let j = 0; j < arr[i].length; j++) {
+      product = product * arr[i][j];
+    }
+  }
 
   return product;
 }
diff --git a/Week3/homework/step2-6.js b/Week3/homework/step2-6.js
index ffe95b9f7..758c0ad5b 100644
--- a/Week3/homework/step2-6.js
+++ b/Week3/homework/step2-6.js
@@ -4,13 +4,25 @@ const arr2d = [[1, 2], [3, 4], [5, 6]];
 const arr3d = [[[1, 2], [3, 4]], [[5, 6], [7, 8]]];
 
 function flattenArray2d(arr) {
-  // Replace this comment and the next line with your code
-  console.log(arr);
+  const newArray = [];
+  for (let i = 0; i < arr.length; i++) {
+    for (let j = 0; j < arr[i].length; j++) {
+      newArray.push(arr[i][j]);
+    }
+  }
+  return newArray.sort();
 }
 
 function flattenArray3d(arr) {
-  // Replace this comment and the next line with your code
-  console.log(arr);
+  const arr3dim = [];
+  for (let i = 0; i < arr.length; i++) {
+    for (let j = 0; j < arr[i].length; j++) {
+      for (let k = 0; k < arr[i][j].length; k++) {
+        arr3dim.push(arr[i][j][k]);
+      }
+    }
+  }
+  return arr3dim;
 }
 
 console.log(flattenArray2d(arr2d)); // -> [1, 2, 3, 4, 5, 6]
diff --git a/Week3/homework/step2-7.js b/Week3/homework/step2-7.js
index 3e72e8551..c18ceaedf 100644
--- a/Week3/homework/step2-7.js
+++ b/Week3/homework/step2-7.js
@@ -20,4 +20,8 @@ f2(y);
 
 console.log(y);
 
-// Add your explanation as a comment here
+/* In the x-code, we are logging the value of x, which has not changed. If we want this code to return 10, 
+we need to console.log(f1(x)).  In the y-code, y is an object. The properties of an object can be altered this way, 
+so the function changes the value of x to 10. No alteration has been done to the variable reference itself. If f2 
+attempted to change the *value* of y (rather than an attribute of its object), it would yield results like the x-code. 
+For example, if the function is altered, val = { x: 10 }; return val;, it will return { x: 9 } */
diff --git a/Week3/homework/step3-bonus.js b/Week3/homework/step3-bonus.js
index 917091d61..11d80a606 100644
--- a/Week3/homework/step3-bonus.js
+++ b/Week3/homework/step3-bonus.js
@@ -3,8 +3,10 @@
 const values = ['a', 'b', 'c', 'd', 'a', 'e', 'f', 'c'];
 
 function makeUnique(arr) {
-  // Replace this comment and the next line with your code
-  console.log(arr);
+  const newArray = arr.filter(function(index, current) {
+    return arr.indexOf(index) === current;
+  });
+  return newArray;
 }
 
 const uniqueValues = makeUnique(values);
diff --git a/Week3/homework/step3.js b/Week3/homework/step3.js
index 292724bf4..a9f30e4de 100644
--- a/Week3/homework/step3.js
+++ b/Week3/homework/step3.js
@@ -1,14 +1,17 @@
 'use strict';
 
 function createBase(base) {
-  // Replace this comment and the next line with your code
-  console.log(base);
+  return function(number) {
+    return number + base;
+  };
 }
 
 const addSix = createBase(6);
+const addSeven = createBase(7);
 
 console.log(addSix(10)); // returns 16
 console.log(addSix(21)); // returns 27
+console.log(addSeven(21)); // returns 28
 
 // Do not change or remove anything below this line
 module.exports = createBase;
diff --git a/package-lock.json b/package-lock.json
index e89e9916d..2b047f93a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2221,12 +2221,14 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -2241,17 +2243,20 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -2368,7 +2373,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -2380,6 +2386,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -2394,6 +2401,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
@@ -2401,12 +2409,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.2.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.1",
             "yallist": "^3.0.0"
@@ -2425,6 +2435,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -2505,7 +2516,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -2517,6 +2529,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -2638,6 +2651,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",