plz help I dont know. will mark brainliest if correct

Answer:
[tex]\huge\boxed{\sf C.}[/tex]
Step-by-step explanation:
Slope 1 = 2 / 3
Slope 2 = -3/2
Multiplication of slopes:
= [tex]\sf \frac{2}{3} * \frac{-3}{2}[/tex]
= -1
Multiplication of these slopes have a result of -1. This means that the two lines are perpendicular.
[tex]\rule[225]{225}{2}[/tex]
Hope this helped!
~AH1807