Write the sum using summation notation, assuming the suggested pattern continues.

-4 + 5 + 14 + 23 + + 131

How do the graphs of y = 1/x and y=5/x+6 compare?

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.