What is the value of c?

a. 34

b. 68

c. 38

d. 71

How to determine whether two known pairs of points are on the same line.

What expression is equivalent to 1/2(2+3x-6)

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.