Simplify each expression -1/2(-6+12x)

In the coordinate plan (-6,9) b (3,9) c (3,3) def is shown in the coordinate plan below

Complete the standard form of the equation that represents the quadratic relationship displayed above, where a, b, and c are rational numbers.

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.