use the slope to determine if lines AB and CD are parallel, perpendicular, or neither. A(-3,8), B(3,2), C(7,1),D(5,-1)(please help asap!!)

3women sell hats at a craft fair weekly. the money they make at the fair is split into categories. 9% goes to pay taxes. $55 goes to pay rent for the space they sell in. the rest is split between the women. if the group make $706 at the fair, how much does each women get paid once the money is divided