2(2x^2-x)-3(x^2-x)+x^2-x x=3

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

Four individuals pool money together to start a new business and agree to split the profits equally. n invests $6,000, x invests $2,000, y invests $8,000 and z invests $4,000. if the profits for the first month were $100,000, y receives than if the profits were divided in proportion to how much they invested.

What is the 9th term in the geometric sequence described by this explicit formula? an=-6. (2)(n-1) apex