Who can me with this number 5 i need with

What is coefficient of the term of degree of degree 5 in the polynomial below

Is the power produced directly proportional to the wind speed, give reasons for your answer?

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