Justify each step x = (1620 - 0.6(200))/50 x = (1620 - 120)/50 x = (1500)/50 x = 30

Lucy and donavan measured the length of the school garden. lucys measurement is 11.3m and donavans measurement is 113 cm. could both be correct? explain

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?

Having a hard time understanding this question (see attachment).