diff --git a/index.js b/index.js
index 294f6b2..7e3407c 100644
--- a/index.js
+++ b/index.js
@@ -8,10 +8,10 @@ const s4 = "bread";
 const s5 = "and";
 
 // Concatenate the string variables into one new string
-
+let tonguerTwister = `${s1} ${s2} ${s3} ${s4} ${s5}`;
 
 // Print out the concatenated string
-
+console.log(tonguerTwister);
 
 
 
@@ -22,10 +22,12 @@ const part1 = "java";
 const part2 = "script";
 
 // Convert the last letter of part1 and part2 to uppercase and concatenate the strings
+let newPart1 = part1.slice(0, -1) + part1.slice(-1).toUpperCase();
+let newPart2 = part2.slice(0, -1) + part2.slice(-1).toUpperCase(); 
 
 
 // Print the cameLtaiL-formatted string
-
+console.log(newPart1 + newPart2);
 
 
 
@@ -35,11 +37,10 @@ const part2 = "script";
 const billTotal = 84;
 
 // Calculate the tip (15% of the bill total)
-
+let tipAmount = billTotal * 0.15;
 
 // Print out the tipAmount
-
-
+console.log(tipAmount);
 
 
 /*******************************************
@@ -47,10 +48,10 @@ const billTotal = 84;
 *******************************************/
 
 // Generate a random integer between 1 and 10 (inclusive)
-
+let randomNumber = Math.floor(Math.random() * 10) + 1;
 
 // Print the generated random number
-
+console.log(randomNumber);
 
 
 /*******************************************
@@ -61,16 +62,24 @@ 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; //true
 
-const expression2 = a || b;
+const expression3 = !a && b; //false
 
-const expression3 = !a && b;
+const expression4 = !(a && b); //true
 
-const expression4 = !(a && b);
+const expression5 = !a || !b; //true
 
-const expression5 = !a || !b;
+const expression6 = !(a || b); //false
 
-const expression6 = !(a || b);
+const expression7 = a && a; //true
 
-const expression7 = a && a;
\ No newline at end of file
+console.log(expression1);
+console.log(expression2);
+console.log(expression3);
+console.log(expression4);
+console.log(expression5);
+console.log(expression6);
+console.log(expression7);
\ No newline at end of file