Ami runs a car repair shop. 75% of the cars that come into her shop require 5 quarts of oil each oil change. 25% of the cars that come into her shop require 6 quarts of oil each oil change. If Ami's shop used 2,520 quarts of oil last month for oil changes, how many cars got an oil change at Ami's shop last month?

How do the graphs of y = 1/x and y=5/x+6 compare?

Adam plans to choose a video game from the section of the store where everything is 75% off. he writes the expression d-0.75d to find the sale price of the game if the original price is d dollars. gena correctly writes another expression, 0.25d, that will also find the sale price of the game if the original price is d dollars. use the drop down menus to explain each part of adams and rena's expression

Sketch one cycle if the cosine function y=2cos2theta