Two photos are similar. the ratio of the corresponding side lengths is 3: 4. what is the ratio of their areas?

How many square feet of out door carpet will we need for this hole? 8ft 3ft 12ft 4ft

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?

The median am of triangle ∆abc is half the length of the side towards which it is drawn, bc . prove that triangle ∆abc is a right triangle, and find angle mac and abm