Colby has $100. He buys five CD's that cost x dollars each, and then he buys three DVD's for y dollars each. Write an algebraic expression for the amount
of money he has remaining (in terms of x and y).

34 cup. a serving of vegetable soup is 23 cup. the restaurant sold 20 servings of chicken noodle soup and 18 servings of vegetable soup. how many more cups of chicken noodle soup did they sell than cups of vegetable soup?

What could explain what happened when the time was equal to 120 minutes

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?