The cost of a new cd is $14.95, and the cost of a video game is $399.99. we spent $84.84 on c cds and v video games

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?

Mrs. blake's bill at a restaurant is $42.75. she wants to leave the waiter an 18% tip. how much will she pay in all, including the tip?

What is the effect on the graph of the function f(x) = x2 when f(x) is changed to f(x) − 4?