Which pair of objects is experiencing the greatest gravitational force? A. The person and the dog
B. The person and the ball
C. The person and Earth
D. The person and the building

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.