What is the correct answer

The graph below shows the height of a projectile t seconds after it is launched. if acceleration due to gravity is -16 ft/s2, which equation models the height of the projectile correctly?

Which type of graph would allow us to compare the median number of teeth for mammals and reptiles easily

Atransformation t : (x, y) (x-5,y +3) the image of a(2,-1) is