diff --git a/index.js b/index.js
index 294f6b2..80eb1cb 100644
--- a/index.js
+++ b/index.js
@@ -8,10 +8,11 @@ const s4 = "bread";
 const s5 = "and";
 
 // Concatenate the string variables into one new string
-
+const newString = s1 + s2 + s3 + s4 +s5;
 
 // Print out the concatenated string
 
+console.log(newString)
 
 
 
@@ -22,10 +23,16 @@ const part1 = "java";
 const part2 = "script";
 
 // Convert the last letter of part1 and part2 to uppercase and concatenate the strings
+const upperPart1 = part1.slice(0, -1) + part1.slice(-1).toUpperCase();
+const upperPart2 = part2.slice(0, -1) + part2.slice(-1).toUpperCase();
+
+const result = upperPart1 + upperPart2;
 
 
 // Print the cameLtaiL-formatted string
 
+console.log(result); 
+
 
 
 
@@ -35,11 +42,12 @@ const part2 = "script";
 const billTotal = 84;
 
 // Calculate the tip (15% of the bill total)
+const tip = billTotal * 0.15
 
 
 // Print out the tipAmount
 
-
+console.log(tip)
 
 
 /*******************************************
@@ -47,10 +55,10 @@ const billTotal = 84;
 *******************************************/
 
 // Generate a random integer between 1 and 10 (inclusive)
-
+const randomNum = Math.random(3)
 
 // Print the generated random number
-
+console.log(randomNum)
 
 
 /*******************************************
@@ -61,16 +69,16 @@ const a = true;
 const b = false;
 
 // Try and guess the output of the below expressions first and write your answers down:
-const expression1 = a && b;
+const expression1 = a && b; //false
 
-const expression2 = a || b;
+const expression2 = a || b; //true
 
-const expression3 = !a && b;
+const expression3 = !a && b; //false
 
-const expression4 = !(a && b);
+const expression4 = !(a && b); //true
 
-const expression5 = !a || !b;
+const expression5 = !a || !b; //true
 
-const expression6 = !(a || b);
+const expression6 = !(a || b); //false
 
-const expression7 = a && a;
\ No newline at end of file
+const expression7 = a && a; //true
\ No newline at end of file