Simplify fractions 25 z to 2nd power over 150 z to 3rd power

John makes $10.50 pers hour what expression represens how much he will make if he works h hours

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)

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.