Commission of sales on office equipment is paid at the rate of 12%. last week $2860 worth of office equipment was sold. what was the commission?

Myron put $5000 in a 2-year cd playing 3% interest, compounded monthly. after 2 years, he withrew all his money. what was the amount of the withdrawal?

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

Write as a product: ac^2–ad+c^3–cd–bc^2+bd