please help as soon as possible :))

Given: A (2, 1), B(0,5), C (-1,2), AB and BC, mAB = -2, mBC = 3.
Find slope of PBC, perpendicular to BC

option choices are in the photo below!


Please Help As Soon As Possible Given A 2 1 B05 C 12 AB And BC MAB 2 MBC 3 Find Slope Of PBC Perpendicular To BC Option Choices Are In The Photo Below class=