Determine whether the point (1, 1) is a solution to the system of equations. Explain your reasoning in complete sentences. (10
points)

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)

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.

50 points~ ! i have to turn this in tomarrow