Write an equation (multiplication) that equals 3/4

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?

What is the perimeter of trapezoid jklm? + units 2 + + units 9 + units 9 + + units

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie