Which of the following side lengths would make a right triangle?

1) 4, 5, 6
2) 5, 12, 13
3) 6, 8, 14
4) 7, 12, 13

Melanie is buying a bathing suit that costs 39.99. she is given a discount at the cash register of $6.00 when she scratched 15% off on a game piece for a store promotion. what will the sale price of melanie’s bathing suit be?