First, I would subtract 150 from 870. You get 720. Then I would divide that equally among the four artists. 720/4=180. So each person's share is $180.
Answer:
I'm getting stuck by

Sorry I can't help you out, if you find the answer through FP lmk
U didn’t include the addition sign or sub sign for some of them
Fourth root (3/2x)
= [fourth root {3*(2x)^3} / {2x * (2x)^3}]
= [fourth root (3*8x^3}) /(2x)^4]
= [fourth root (24x^3)] / 2x
answer is B. second one