Find the slope of the line 0,-19 20,15

Which is a reasonable estimate of the amount of water in a small, inflatable pool used by children?

Which elements in the set below are integers? 12, –3⁄4,√ 25 , –7, √ 5 , 14⁄7, 9 a. 12, √ 25 , –7, 9 b. 12, √ 25 , –7, 14⁄7, 9 c. –3⁄4, 25 , √ 5 ,14⁄7 d. 12, –7, 9

What is the slope of the line that contains the points (-2,1) and (0,-3)