Select all the equation that represent the hanger.

John makes $10.50 pers hour what expression represens how much he will make if he works h hours

Which of the following can be used to explain a statement in a geometric proof?

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.