diff --git a/index.js b/index.js
index 294f6b2..5744384 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
-
+const tongueTwister = s1 + " " + s2 + " " + s3 +" "+ s4 + " "+ s5 +" "+ s3 + " "+ s2 +" "+ s1 +" "+s4+ ".";
 
 // Print out the concatenated string
-
+console.log (tongueTwister);
 
 
 
@@ -22,10 +22,10 @@ const part1 = "java";
 const part2 = "script";
 
 // Convert the last letter of part1 and part2 to uppercase and concatenate the strings
-
+const result = part1 + part1[3].toUpperCase() + part2 + part2[5].toUpperCase();
 
 // Print the cameLtaiL-formatted string
-
+console.log (result);
 
 
 
@@ -35,10 +35,10 @@ const part2 = "script";
 const billTotal = 84;
 
 // Calculate the tip (15% of the bill total)
-
+const tipAmount = (84/100)*15;
 
 // Print out the tipAmount
-
+console.log(tipAmount);
 
 
 
@@ -47,10 +47,9 @@ const billTotal = 84;
 *******************************************/
 
 // Generate a random integer between 1 and 10 (inclusive)
-
-
+const randomNum = Math.round(Math.random() * 11);
 // Print the generated random number
-
+console.log(randomNum);
 
 
 /*******************************************
@@ -61,16 +60,24 @@ 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; //true
 
-const expression3 = !a && b;
+const expression4 = !(a && b); //false
 
-const expression4 = !(a && b);
+const expression5 = !a || !b; //true
 
-const expression5 = !a || !b;
+const expression6 = !(a || b); //true
 
-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