What is the answer to this? 1+2+3x29+9/89. I will give brainiest to someone

Acd that is originally priced at $15.85 red-tagged for the sale. what is the sale price of the cd

A(1,1) b(-3,0) c(-4,-1) d(3,-2) drag it to correct position

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.