Which steps will verify that a parallelogram is a rectangle? Check all that apply

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

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?

Can somebody 1. what is the formula for finding the vertical distance between two points on a coordinate plane?