Which pony lies on the line described by the equation below? y + 4 = 4 ( x - 3)

What is the prime factorization of 23 ?me with this question

Solving algebraic equations 2m+3=11

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.