A. a teacher wants a large poster of the declaration of independence that is three times its actual size. what are the dimensions of the posters?
b. what is the area of the poster

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m

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.

Which rectangle if translated 6 units right and 16 units down and the rotated 90° clockwise about the point (4, -11) will result in rectangle e?