Which of the following statements are true about quick sort
a. it can degrade into an o(n2) sort if the pivot selection scheme is bad
b. it doesnt require additional memory that merges sort does
c. all other answers
d. in practice it can be transfer than merge sort

Jason is working on a microsoft excel worksheet and he wants to create a print preview shortcut. his teacher asks him to access the customization option to create the new shortcut. which two tabs should jason select to place the print preview shortcut on the worksheet toolbar? a. new tab (custom) and new group (custom) b. new file tab (custom) and new tab (custom) c. new custom group and new command d. new custom tab and new command