Please help me i’m being timed if A (4x, y) and B (2x, 3y) are points on a grid, the coordinates of the midpoint line segment 
AB are:

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?

When solving this problem: 3025/5.5 = a/90.75 you get 49912.5 which would be the length of one of the sides of a square when the area is only 90.75 inches. is that answer correct, why, and how is it possible?

What is the scale factor of two similar pyramids with volumes of 64 cubic feet and 8 cubic feet