Can negative 4 divided by 15 be shown as a fraction?

The vertices of a triangle are a(7,5), b(4,2), c(9,2). what is m

Graph the equation. select integers for x

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?