Oh. Sorry. (Speechless)

A) y= -4/3x + 12

B) y= -3/4x + 12

C) y= 3/4x + 12

D) y= 4/3x + 12

I don't know how to find a perpendicular line and when I tried it on a graphing calculator I got it wrong. They say the answer is A but I didn't know how they got that.