Which transformation of the red triangle on the graph maps in onto the missing piece of square

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?

In the triangles, bc =de and ac fe.if the mzc is greater than the mze, then ab isdfelth

What is the slope of the line that contains the points (-2,1) and (0,-3)