What is the image point of (-3, -8) after the transformation R90 T-5,1?

What is the value of the expression below? (81^2)^1/8

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.

Abcd is a square. what is the measure of angle bac