Iam super confused on how to answer this, none of the answers work but i need a second pair of eyes.

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?

Two parallel lines are crossed by a transversal. what is the value of x? x = 40 x = 70 x = 110 x = 130

Scale factor of 2 is used to enlarge a figure as shown below the area of is 18 in.²