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On a piece of paper graph f(x)=5•(0.4)^x

Find the quotient. 50a2 – 98b2 -5a +7b

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.