Rewrite 24 + 48 using GCF and the distributive property. a: 12(3+1)
b: 24(1+2)
c: 3(12+6)
d: 5(2+3)

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.

Which of the following equations is equivalent to x/3-6/x=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.