If 4n = 3.60, which is the value of n? (it's probably a simple question, but i can't decide between 0.9 and 9, if you can me, ! )

a. 0.09 b. 0.9 c. 9 d. 90

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.

Aweekly newspaper charges $72 for each inch in length and one column width. what is the cost of an ad that runs 2 column inches long and 2 columns wide? its not 288

Use the distance formula to find the distance between (-3,5) and (3,1)