Which set of numbers could represent the lengths of the sides of a right triangle?

9, 12, 16

10, 15, 20

7, 24, 25

6, 9, 11

For every touchdown scored by the timberwolves the mascot does three backflips if the cheerleaders set off six confetti cannons how many touchdowns did the timberwolves score if the cheerleader set of 18 confetti cannons