What’s the answer to this

Find the distance between (0,5) & (-4,2)

How do you write y-10=2 (x-8) in standard form

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?