Which table represents the same proportional relationship as the graph? 13
12
11
10
9
8
7
6
5
4
3
2
1 2 3 4 5 6 7 8 9 10 11 12 13 X

What is the value of x in the diagram below?

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list

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.