How many terms are in the 10m + 5k

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?

Why does the shape of the distribution of the weights of russet potatoes tend to be symmetrical?

What is the scale factor of this dilation? a) 1/2 b) 1/3 c) 2 d) 3