Simplify this expression:
13b-9b + 4(b-2)
what’s the answer

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?

Use the formulas a = x 2 – y 2, b = 2xy, c = x 2 + y 2 to answer this question. one leg of a right triangle has length 11 and all sides are whole numbers. find the lengths of the other two sides. the other leg = a0 and the hypotenuse = a1

Complete the input-output table for the linear function y = 3x. complete the input-output table for the linear function y = 3x. a = b = c =