(06.02 MC) Triangle ABC is similar to triangle DEF. Using the image below, prove that lines BC and
EF have the same slope. You must show all of your work to receive credit. (10 points)

Find the area of a square with a side length of 1/4 in.

Agreeting card company can produce a box of cards for $7.50. if the initial investment by the company was $50,000, how many boxes of cards must be produced before the average cost per box falls to $10.50?

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?