diff --git a/index.js b/index.js
index 294f6b2..ff0a5a6 100644
--- a/index.js
+++ b/index.js
@@ -9,11 +9,28 @@ const s5 = "and";
 
 // Concatenate the string variables into one new string
 
+const tongueTwister =
+  s1 +
+  " " +
+  s2 +
+  " " +
+  s3 +
+  " " +
+  s4 +
+  " " +
+  s5 +
+  " " +
+  s3 +
+  " " +
+  s2 +
+  " " +
+  s1 +
+  " " +
+  s4;
 
 // Print out the concatenated string
 
-
-
+console.log(tongueTwister);
 
 /*******************************************
     Iteration 1.2 | Camel Tail
@@ -23,11 +40,14 @@ const part2 = "script";
 
 // Convert the last letter of part1 and part2 to uppercase and concatenate the strings
 
+const part1New = part1[0] + part1[1] + part1[2] + part1[3].toUpperCase();
+const part2New =
+  part2[0] + part2[1] + part2[2] + part2[3] + part2[4] + part2[5].toUpperCase();
+const camelTailCombo = part1New + part2New;
 
 // Print the cameLtaiL-formatted string
 
-
-
+console.log(camelTailCombo);
 
 /*******************************************
     Iteration 2.1 | Calculate Tip
@@ -36,11 +56,11 @@ const billTotal = 84;
 
 // Calculate the tip (15% of the bill total)
 
+const tipAmount = billTotal * 0.15;
 
 // Print out the tipAmount
 
-
-
+console.log(tipAmount);
 
 /*******************************************
     Iteration 2.2 | Generate Random Number
@@ -48,10 +68,11 @@ const billTotal = 84;
 
 // Generate a random integer between 1 and 10 (inclusive)
 
+const randomNumber = Math.random(1, 10);
 
 // Print the generated random number
 
-
+console.log(randomNumber);
 
 /*******************************************
     Iteration 3.1 | Booleans
@@ -62,15 +83,22 @@ const b = false;
 
 // Try and guess the output of the below expressions first and write your answers down:
 const expression1 = a && b;
+false;
 
 const expression2 = a || b;
+true;
 
 const expression3 = !a && b;
+false;
 
 const expression4 = !(a && b);
+true;
 
 const expression5 = !a || !b;
+true;
 
 const expression6 = !(a || b);
+false;
 
-const expression7 = a && a;
\ No newline at end of file
+const expression7 = a && a;
+true;