Suppose that you insert 100 keys in ascending order into a red-black BST. What is the height of the resulting tree?

The company Chris works for has notifications posted at each door reminding employees to be careful to not allow people to enter when they do. Which type of controls best describes this?

A. Detective B. Physical C. Preventive D. Directive

?Identify a text-level element that indicates a span of text that expresses an alternative voice or mood.

A. ?i B. ?span C. ?kbd D. ?wbr