How do you simplify (5g^4h^3)^3? Simplify using exponent rules, please do not completely answer

Whats the name of the vertical axis

Find the equation of the line with slope =8 and passing through (6,53) write your equation in the form y=mx+b

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.