When Jeff stands on his bed he is 7 1/4 feet high. Jeff is 4 1/4 feet tall. Write an addition equation to find out how high his bed is.

The spotter on the ground is standing beneath the safety net. what is his distance from the base of the platform, to the nearest meter? 3 meters, 2 meters, 4 meters, 1 meter?

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.