What is the greatest common factor of 57 and 76?

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.

Graph the linear function using the slooe and y intercept

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.