CW

Find the discount sale price of a $80 item that is on sale for 30% off. (Round your answer to the nearest cent.)

A small rock with a mass of 6g is dropped into a graduated cylinder with 20ml of water. The water rises to 23ml. What is the density of the rock?

A cookie company uses one cup of sugar for every 35 cookies it makes. Let S represent the total number of cups of sugar used, and let N represent the number of cookies made. Write an equation relating S to N, and then graph your equation.