Hello i need with my mathematics i can’t do you my division or my fractions can you

Which of the binomials below is a factor of this trinominal? x^2-13+30

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.

Find the length of the normal and the angle it makes with the positive x-axis. (see pictured below)