This weekend Jessica earned $86 babysitting. Friday night she babysat for 4 hours and Saturday
she babysat for 63 hours. If Jessica is paid the
same amount for every hour she babysits, how
much does she earn per hour?

The sum of two numbers is 86, and their difference is 20. find the two numbers

Complete the equation of the line through (−10,3) and (−8,−8). use exact numbers.

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.