Can someone teach me how to do trigonometry?

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

What could explain what happened when the time was equal to 120 minutes

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.