NEED ALGEBRA HELP!

Pls help I will do anything :(

Factor the monomial completely 42a3b3

Jose bought 20 shares of netflix at the close price of $117.98. in a few years, jose sells all of his shares at $128.34. how much money did jose make? a.) $192.50 b.) $207.20 c.) $212.50 d.) $224.60

What power can you write to represent the volume of the cube shown? write the power as an expression with a base and an exponent and then find the volume of the cube