0.5 km = M

Pls help me!!

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? a) 6 b) 8 c) 14 d) 20

Two angles are complementary. the large angle is 36 more than the smaller angle. what is the measure of the large angle?

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.