The number line represents values for x.

Which inequality BEST describes the included values?
A) x ≤ 8
B) x > 8
C) x < 8
D) x ≥ 8

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

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.