Find the percent of change if a laptop was $65 discounted
to $45.

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 12th term of b(n)=-4-2(n-1)

Ineed to know the answer to this algebra question.