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

A 2,15, 17
B 1,8, √65
C 2,√80 , 9

At a local museum, the total price for one adult and one child is $11. mrs. smith paid for herself and her three children. she spent $19. record the system of equations to be solved and then find the price of an adult and child ticket using either elimination or substitution.