I need help finding the GCF of 30³ , 110⁴ , and 60⁸

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.

In an improper fraction, is the numerator equal to, less than, or greater than the denominator

Is the number 128.439 a rational number