The Sum button menu allows you to enter one of five often-used functions easily into a cell.

Suppose we have algorithms that solve a particular problem that have the following complexities. Which one is most efficient?

a) O(1) b) O(log 2 n) c) O(n 2 ) d) O(n 3 ) e) O(2 n

Art that is acted out or presented in some manner or form is known as ___________.

a. a play b. performance art c. drama d. comedy