PLZ HELP ME 50 POINTS
indicate whether the lines are parallel, perpendicular, or neither (for all of them this is NOT multiple choice

1)y=3/2x - 3 and -2x = 3y - 4

2)x+4y = -12 and 24y= -6x - 72

3)4x - 14y = -112 and 14x + 4y =16