How to work this out?
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Mathematics, 21.06.2019 22:00
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.
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Mathematics, 22.06.2019 03:30
What is the approximate mark up percentage rate before m equals $1740 marked up from p equals $19,422
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Mathematics, 22.06.2019 05:30
On a parallelogram, the vector from one vertex to another vertex is (9,-2). what is the length of the side? •7•√85•18•85
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