Any help? I'm having trouble finding the 0th and 15th terms for this geometric sequence.​

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.

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.

What is the value of x in the equation (2)3) (x+6)= -18 a. -36 b. -33 c. -24 d. -18