Find the equation and explain please

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.

Robin and john each a a 12 inch pizza about how many square inches of pizza did they eat? estimate how much pizza they ate

Write the equation of a line that goes through point (0, 1) and has a slope of 0.