smalle9009 smalle9009 Today at 4:05 PM Social Studies Answered la summitlearning.org/my More on Coordinate Geometry Question 4 Which lines are perpendicular to each other? Select two lines Choose all that apply: 3x + y = 6 2-3y = 5 2 + 3y = -1 3.2 + 2y = 1 3y = -20 +9