I've been stuck for days. visual examples or anything will .

What is the rate of change of a line that passes through (2,-5) and (6,-2)?

Asequence is defined recursively using the formula f(n + 1) =f(n) - 5. which sequence could be

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.