Find the midpoint between the pair of points. (7,-2) and (-4, 2)

(1.5, 0)
(12,0)
(0, 1.5)
137

Solve this riddle: i am an odd number. i an less than 100. the some of my digit is 12. i am a multiple of 15. what number am i?

Varies inversely with x. if y=8.5 when x=-1 find x when y=-1

Cody ran nine miles on his first day of training. the next day he ran 1/8 that distance. how far did he run the second day?