Any body want to be friends please im actually lonely

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.

Which of the following are accepted without proof in a logical system? check all that apply.

Simplify (1/2)4th power a. (1/16) b.(1/8) c.(1/4)