PLEASE HELP MAYDAY MAYDAY

In the last ten games, Jamal made 7/9
of his free throws and Brian made 5/8
of his free throws. Which player has the better record? Explain.

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.