Which side lengths form a right triangle? Choose all answers that apply:

(Choice A)
5, √8, 33
(Choice B)
8,15,17
(Choice C)
√2, √2, 2

Charlie is at an amusement park that has 18 different rides. each ride costs $1.75. the function c(r) = 1.75r represents the total amount of money that charlie will spend if he goes on r rides, but he never goes on the same one more than once. what domain and range are reasonable for the function?