Mia wrote the multiplication facts for 5. what digits will always be in the ones place of the products?

Match each function with the corresponding function formula when h(x)=5-3x and g(x)=-3+5

The factorization of 8x3 -125 is (2x-5)(jx2 +kx+25)

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.