2.8x = -9.24
a. 12.04
b. -0.3030
c. 12.04
d. -3.3

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

Math question.. plz me .. best answer all

Perry observes the opposite parallel walls of a room in how many lines do the plains containing the walls intersect