Part A: Create a third-degree polynomial in standard form. How do you know it is in standard form
(5 points)
Part B: Explain the closure property as it relates to addition of polynomials. Give an example. (5 points)
(10 points)

Jabari is power washing houses for a summer job. for every job, he charges an initial fee plus $30 for each hour of work. his total fee for a 4 -hour job, for instance, is $170 . jabari's total fee,f, for a single job is a function of the number,t, of hours it takes him to complete the job. write the function's formula.

Determine the standard form of the equation of the line that passes through (-2,0) and (8,-5)

If np3 /nc2 = 6, find the value of n