Tom has 220 chain-link fence that he used to make a rectangular garden space in the backyard. the length of the garden is 10ftmore than twicethe width. what is the lenght and width of the garden

Solve the equation -9p - 17 =10 a -3 b. 16 c. 18 d -16

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.

Factor the polynomial. b^2 + 4b + 4