Write an equation of the line that is perpendicular to the line y = 2x+8, and which passes through the point (6,-2)

Which table shows a proportional relationship between miles traveled and gas used?

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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