Which ordered pairs are solutions to the inequality 2.c + y > -4? Select each correct answer.

(5, -12)
(4, -12)
(-1, -1)
(-3,0)

What is the solution to the inequality? 6x−5> −29, a x> −4 bx> 4 cx< 4 dx< −4

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse

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.