Which number is prime number? A.29 B.49 C.69 D.89

How can you construct perpendicular lines and prove theorems about perpendicular lines

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?

Find the maximum value of p= 4x + 5y subject to the following constraints :