I NEED HELP SOLVING THIS MATH PROBLEM. which expression is equivalent to s+8s+10s?
s+18 1+18s
19s or 17s

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.

Which number completes the inequality? 2/3 < _ < 7/9

Tell whether the two rates form a proportion