Complete Deliverable

app.js

@@ -1,18 +1,32 @@
 // 1.1. What is the difference between a parameter and an argument?
-
+// A parameter is kind of like a place holder for some value the function will accept as input. 
+// An argument is something that has to be evaluated usually true/false.
 // 1.2. Within a function, what is the difference between return and console.log?
-
+// a return ends a function and send the output somewhere. it does not actively display output. A console.log outputs the what is referenced to the console
 // 1. 3. What are the implications of the ability of a function to return a value?
-
+//  return allows the function's output value to be called simply by invoking the function.
 // 2. calculateCube
 function calculateCube(num) {
     // YOUR CODE HERE
+    let cube = Math.pow(num, 2);
+    return cube;
 }
+console.log(calculateCube(5));
 
 // 3. isAVowel
+// YOUR CODE HERE
+let vowelsArr = ["a", "e", "i", "o", "u"]
 function isAVowel(letter) {
-    // YOUR CODE HERE
+
+    for(let i = 0; i < vowelsArr.length; i++){
+       if (letter == vowelsArr[i]) {
+        return true;
+       }
+
+    }
+    return false;
 }
+console.log(isAVowel("z"));
 
 // 4. getTwoLengths
 function getTwoLengths(word1, word2) {