You have a 10 by 20 pool and 52 in deep. You need sand to cover the bottom and the sand is $2.97 and 50lbs. How many sand bags do you need?

How many real and imaginary solutions does the equation x^2-3x=-2x-7 have?

What is another way to express 36 +32

Aprojectile is thrown upward so that its distance above the ground after t seconds is given by the function h(t) = -16t2 + 704t. after how many seconds does the projectile take to reach its maximum height?