Can someone please help me with this question

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

Which of the following properties can be used to show

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles