Find the solution to the system of equations

Nine more than four times a number is the same as one less than twice the number. find the number?

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.

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.