Please Answer picture is down below i will give brainiest.

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.

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9

What’s 8y+48 and factor each expression completely