The slope of EF is -3/2
Which segments are perpendicular to EF?
Select each correct answer.

LM, where L is at (1, 8) and M is at (3, 11)
JK, where J is at (14, -1) and K is at (5, -7)
NP, where N is at (0, -3) and P is at (2, - 6)
GH, where G is at (1, 7) and His at (4, 9)