Bree bought a dress that was discounted 23%.If the non-sale price was d, which expression represents the cost Bree paid for the dress ? A. d - 0.23
B. 1 - 0.23d
C. 1 - 0.23
D. d - 0.23d

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.

Car a and car b were in a race .the driver of car b claimed that his car was twice as fast as car a

Find the dimensions of the circle. area = 64π in.² r= in.