(-3a^3)^2 (2ab)^4

72a^10b^4
144a^10b^4
-54a^10b^4
-48a^10b^4

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.

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box

W-16=-12 solve each one step equation plz