What is the inverse of f(x)= 1/4x- 7

In the 30-60-90 triangle below side s has a length of and side r has a length

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

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.