Pls help my test is in a couple of hours and I can’t fail

On a piece of paper, graph . then determine which answer choice matches the graph you drew

To decrease an amount by 16% what single multiplier would you use

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.