Which pair of lines is perpendicular?
O y = 2x-1 and 2y =-X+3
O y = 3x+4 and 3y-x-5
O y--4x+2 and X+4y = 6
O y=-6x-3 and 6x-y-4

M? aoc=96 ? space, m, angle, a, o, c, equals, 96, degree \qquad m \angle boc = 8x - 67^\circm? boc=8x? 67 ? space, m, angle, b, o, c, equals, 8, x, minus, 67, degree \qquad m \angle aob = 9x - 75^\circm? aob=9x? 75 ? space, m, angle, a, o, b, equals, 9, x, minus, 75, degree find m\angle bocm? bocm, angle, b, o, c: