Parallel, Perpendicular, or Neither???

Which equation is perpendicular to: y = -5x - 3

Parallel, perpendicular or neither: line 1-(5,-3) and (3,7); line 2-(2,6) and (-3,5)

Parallel, Perpendicular, or neither: line 1- (-1, 3) and (2, 4); line 2- (3, 5) and (6, 6)

Parallel, Perpendicular, or Neither?

Are the lines parallel, perpendicular, or neither: y = 1/2 x + 5 and y = -2x + 5

Are the lines parallel, perpendicular, neither: y = 3x - 2 and y = -3x + 5

Are the lines parallel, perpendicular, or neither: y = x - 2 and y = -x +5

Are the lines Parallel, Perpendicular, or neither: y = –5x + 9 and y = -5x –21

Parallel, Perpendicular or Neither?

Parallel, Perpendicular, or Neither?

Parallel, Perpendicular, or neither: line 1- (-1, 3) and (2, 6); line 2- (-2, 4) and (2, 8)

Parallel, perpendicular or neither: line 1- (2, -1) and (4, 8); line 2- (1, 3) and (6, 2)

Which equation is parallel to: y = 2/3x + 5?