Please answer quick it’s due by tonight please please please give me an answer. Btw click on the picture and then you will see the whole page. Thank you.

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?

Which of the following exponential functions goes through the points (1, 6) and (2, 12)? f(x) = 3(2)x f(x) = 2(3)x f(x) = 3(2)−x f(x) = 2(3)−x

If the tip varies directly with the number of guest which equation represents between the tip, t, and the number of guest, g?