Mike moved 345 chairs and Gavin moved c more than Mike. How many chairs did Gavin move in terms of c?

What describes horizontal cross section of the right rectangle 6m 8m 5m

For the inequality |c| < |d| to be true, which of the following must be true?

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.