To change margins, click the _____ tab, then click the Margins button.

A ListBox object displays a group of values, called ____________________.

Fill in the blank(s) with the appropriate word(s).

If before deleting a node the root was left high and after deleting a node it becomes even high, we ____.

A. have to perform a left rotation B. have to perform a right rotation C. we can exit right away D. can exit after setting the balance factor