Find the total surface area of the composite figure. The figure is a triangular prism with a cylinder removed. Round to the nearest tenth.

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?

If a 36 inch yardstick casts a 21 foot shadow, how tall is a building whose shadow is 168 feet? what is the scale factor

With alll of except for the 2 that i did already