7 When you raise a number to the
second power or a power of 2, you
could say that you
the

number

After t seconds, a ball tossed in the air from the ground level reaches a height of h feet given by the equation h = 144t-16t^2. after how many seconds will the ball hit the ground before rebounding?

Simplify -4z+2y-y+-18z a.-22z+y b.-14z+2 c.3y+22z d.y +14z

Simplify the algebraic expression 8y-2(y+4)