Brittany and stan are trying to find points along the line shown. brittany moves from point a to point p by moving 3 units to the left and 6 units up. stan starts at point q and moves 12 units to the left. which option tells how many units stan must move in order to find another point on the line?
a.) 6 b.) 9 c.) 12 d.) 24 e.) 30