ANY MATH EXPERTS WHO COULD HELP ME WITH SOME STUFF PLEASE !

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

Wich statement could be used to explain why the function h(x)= x^3 has an inverse relation that is also a function

In the diagram, gef and hef are congruent. what is the value of x