Help please. can you please help me figure out 4 equations if 4 lines given their graphs.

Solve the equation w^3 = 1,000 i honestly dont know how to punch this into a calculator pls

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.

The graph and table shows the relationship between y, the number of words jean has typed for her essay and x, the number of minutes she has been typing on the computer. according to the line of best fit, about how many words will jean have typed when she completes 60 minutes of typing? 2,500 2,750 3,000 3,250