Hani had 52 beads and Bala had 36 beads. After each of them gave away an equal number of beads, Hani had 5 times as many beads as Bala. How many beads did each of them receive?

It says factor each expression 49x-28?

Write two point-slope equations for the line passing through the points (6, 5) and (3, 1)

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.