Factor the expression using the greatest common factor.​

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.

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,

Using only odd number for numerators write two different subtraction problems that have a difference of 3/4