diff --git a/src/main/java/com/booleanuk/core/Exercise.java b/src/main/java/com/booleanuk/core/Exercise.java
index 7ac3cfb..32d4950 100644
--- a/src/main/java/com/booleanuk/core/Exercise.java
+++ b/src/main/java/com/booleanuk/core/Exercise.java
@@ -2,6 +2,8 @@
 
 import com.booleanuk.helpers.ExerciseBase;
 
+import java.util.Arrays;
+
 public class Exercise extends ExerciseBase {
     /*
         A method is a function, a single piece of logic that can run. In Java, a class is a convenient
@@ -35,7 +37,10 @@ public String greet(String name) {
         Complete this method so that it increases the number given by 1 and returns the result
      */
     public int increment(int number) {
-        return 0;
+
+        number++;
+
+        return number;
     }
 
     /*
@@ -48,8 +53,11 @@ public int increment(int number) {
         Nathan | Hi, Nathan :)
         Edward | Hi, Edward :)
      */
-    public String happilyGreet() {
-        return "Not implemented yet";
+    public String happilyGreet(String name) {
+
+
+
+        return "Hi, "+name+" :)";
     }
 
     /*
@@ -64,6 +72,17 @@ public String happilyGreet() {
         10, 13 | [10,11,12,13]
         -1, 1  | [-1,0,1]
      */
+    //denna
+   public int[] constructNumberArray (int lower, int upper) {
+        int[] myArray = new int[upper-lower+1];
+        myArray[0] = lower;
+        myArray[myArray.length-1] = upper;
+
+        for (int i = 0; i < (myArray.length-1); i ++) {
+            myArray[i+1] = myArray[i]+1;
+       }
+    return myArray;
+    }
 
 
 
@@ -80,6 +99,14 @@ The method must return the same string in upper case with exclamation marks (!)
         disaster, 5 | DISASTER!!!!!
         error, 10   | ERROR!!!!!!!!!!
      */
+    public String shout (String string, int number) {
+
+        string = string.toUpperCase();
+        for (int i = 0; i < number; i++) {
+            string = string.concat("!");
+        }
+        return string;
+    }
 
 
 
diff --git a/src/main/java/com/booleanuk/extension/Extension.java b/src/main/java/com/booleanuk/extension/Extension.java
index f9de7dd..f52e77a 100644
--- a/src/main/java/com/booleanuk/extension/Extension.java
+++ b/src/main/java/com/booleanuk/extension/Extension.java
@@ -9,6 +9,10 @@ public class Extension extends ExtensionBase {
         5. Create a method named bakingTime that returns the number 50
      */
 
+    public int bakingTime () {
+        return 50;
+    }
+
 
 
 
@@ -20,6 +24,10 @@ public class Extension extends ExtensionBase {
         and the result of calling the bakingTime method
      */
 
+    public int remainingBakeTime (int numOfMinutes) {
+        return 50 - numOfMinutes;
+    }
+
 
 
 
@@ -30,6 +38,10 @@ public class Extension extends ExtensionBase {
         It must return how many minutes it will take to prepare the cake based on
         each layer taking 3 minutes to prepare
      */
+    public int calculatePrepTime (int layers) {
+        int prepTime = layers * 3;
+        return prepTime;
+    }
 
 
 
@@ -43,7 +55,12 @@ public class Extension extends ExtensionBase {
         which is the sum of the preparation time and the number of minutes it's been
         in the oven. Use your calculatePrepTime method in the calculation
      */
+    public int totalTimeSpent (int layers, int ovenMin) {
+        int timeToCook = calculatePrepTime(layers);
+        int remainingTime = timeToCook + ovenMin;
+        return remainingTime;
 
+    }