What value of k makes the equation true? (5a^2b^3)(6a^kb)=30a^6b^4

What is the pattern in the values as the exponents increase?

The table shows the distance traveled over time while traveling at a constant speed.

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.