The perimeter of triangle abc is 24. if ab = 9 and bc = 7, then ac =

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

The reflexive property of congruence lets you say that ∠pqr ≅

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?