QUESTION 6 Use Quicksort (Algorithm 2.6) to sort the following list. Show the actions step by step. Use the first item as pivot. 23 34 189 56 150 12 9 240 T T T Arial(12 ' T- ---2 3 (12pt) Path: p QUESTION 7 Assuming that Quicksort uses the first item in the list as the pivot item: (a) Give a list of n items (for example, an array of 10 integers) representing the worst-case scenaric. (b) Give a list of n items (for example, an array of 10 integers) representing the best-case scenario