diff --git a/exercises.js b/exercises.js
index 25ed379..3b03ce6 100644
--- a/exercises.js
+++ b/exercises.js
@@ -6,6 +6,14 @@
  * ie: "cat" => "tac"
  */
 
+ var firstReverse = function(str) {
+     if (typeof str != 'string') {
+         return null;
+     }else{
+         return str.split('').reverse().join('');
+     }
+ };
+
  /** Function: alphaOrder
  * The function will take the str parameter being passed in and
  * return the string in alphabetical order
@@ -14,6 +22,14 @@
  * ie: "cake" => "acek"
  */
 
+ var alphaOrder = function(str) {
+     if (typeof str === 'string') {
+         return str.split('').sort().join('');
+     }else{
+         return null;
+     }
+ };
+
  /** Function: vowelCount
  * The function will take the str parameter being passed in and
  * return the number of vowels in the string
@@ -22,6 +38,21 @@
  * ie: "oreo" => 3
  */
 
+ var vowelCount = function(str) {
+     var vowels = ['a', 'A', 'e', 'E', 'i', 'I', 'o', 'O', 'u', 'U'];
+     var count = 0
+
+     if (typeof str === 'string') {
+        for (var i = 0; i < str.length; i++) {
+            if (vowels.indexOf(str[i])) {
+                count++
+            }
+        }
+        return count;
+    }
+     
+ }
+
  /** Function: timeConvert
  * The function will take the str parameter representing the amount of minutes being passed in and
  * return the number of hours and minutes. Seperate the number of hours
@@ -31,6 +62,10 @@
  * ie: 68 => 1:8
  */
 
+ var timeConvert = function(str) {
+     
+ }
+
  /** Function: repeatString
  * The function will take in two parameters and repeat a given string (first argument)
  * num times (second argument). Return an empty string if num is a negative number
@@ -56,9 +91,9 @@
  */
 
 module.exports = {
-    firstReverse: null,
-    alphaOrder: null,
-    vowelCount: null,
+    firstReverse: firstReverse,
+    alphaOrder: alphaOrder,
+    vowelCount: vowelCount,
     timeConvert: null,
     repeatString: null
 }
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..293dd77
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,392 @@
+{
+  "name": "week-1-mentor-session-exercises",
+  "version": "1.0.0",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
+    "assertion-error": {
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+      "resolved": "https://registry.npmjs.org/assertion-error/-/assertion-error-1.0.2.tgz",
+      "integrity": "sha1-E8pRXYYgbaC6xm6DTdOX2HWBCUw=",
+      "dev": true
+    },
+    "balanced-match": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
+      "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
+      "dev": true
+    },
+    "brace-expansion": {
+      "version": "1.1.8",
+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.8.tgz",
+      "integrity": "sha1-wHshHHyVLsH479Uad+8NHTmQopI=",
+      "dev": true,
+      "requires": {
+        "balanced-match": "1.0.0",
+        "concat-map": "0.0.1"
+      }
+    },
+    "browser-stdout": {
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+      "resolved": "https://registry.npmjs.org/browser-stdout/-/browser-stdout-1.3.0.tgz",
+      "integrity": "sha1-81HTKWnTL6XXpVZxVCY9korjvR8=",
+      "dev": true
+    },
+    "chai": {
+      "version": "3.5.0",
+      "resolved": "https://registry.npmjs.org/chai/-/chai-3.5.0.tgz",
+      "integrity": "sha1-TQJjewZ/6Vi9v906QOxW/vc3Mkc=",
+      "dev": true,
+      "requires": {
+        "assertion-error": "1.0.2",
+        "deep-eql": "0.1.3",
+        "type-detect": "1.0.0"
+      }
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+      "version": "2.9.0",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-2.9.0.tgz",
+      "integrity": "sha1-nJkJQXbhIkDLItbFFGCYQA/g99Q=",
+      "dev": true,
+      "requires": {
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