Help please! Question:

Use the distance formula to find the distance between (2,1) and (6,8).

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

Astore has clearance items that have been marked down by 60%. they are having a sale, advertising an additional 55% off clearance items. what percent of the original price do you end up paying?

Line u passes through points (-52, -18) and (-29, 53). line v passes through points (90, 33) and (19, 56). are line u and line v parallel or perpendicular?