11. Factor then solve: 3x2 - 2x - 5* x = 1 & x = 5/7
O x = -1 & x = 5/3
O x= -3 & x = -5/3

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Having a hard time understanding this question (see attachment).

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?