Help please
Brainiest answer to whoever is first

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.

How many solutions does the nonlinear system of equations graphed bellow have?

Graph the linear function using the slooe and y intercept