How do i solve
8x^(2/3)-39x^(1/3)-5=0

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?

If you are just building your payment history, how many points from a perfect score will you possibly miss?

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?