Determine the diffrence.
7 - (-13)

This is fractions casey shared a pizza with some friends.they each ate 1 third of the pizza. how many people shared the pizza

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?

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16