The horizontal distance between two towers is 70m. the angle of depression of the top of the first tower when seen from the top of the second tower is 30°. if the height of the second tower is 120m, find the height of the first tower.

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.