Which of the following quadrilaterals must be a parallelogram according to the minimum criteria?

In the final round of trivia competition, contestants were asked to name as many states that begin with the letter m as they could in 15 seconds. the bar graph shows the number of states the contestants were able to name. how many contestants participated in the final round of the competition?

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).

What is the quotient of m^6/5 ÷ 5/m^2? assume m does not equal pl