Find the limit, if it exists. f(9+h)-f(9)/h if f(x)=x^4 PLSE ANSWER THIS QUICKLY

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.

Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)

The circle below is centered at the point (3, 1) and has a radius of length 2. what is the equation?