melissa wants to cover a footrest in the shape of a rectangular prism with cotton fabric. The footrest is 14 inches by 7 inches by 13 inches. She has 1 square yard of fabric. Can she completely cover the footrest?

Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?

Two numbers have a sum of -19. one number is x. what expression represents the other number?

Alina fully simplifies this polynomial and then writes it in standard form. xy2 – 2x2y + 3y3 – 6x2y + 4xy2 if alina wrote the last term as 3y3, which must be the first term of her polynomial in standard form? xy2 5xy2 –8x2y –2x2y