A middle school mathematics teacher accepts a teaching position that pays ​$20,000 per year. Each​ year, the expected raise is $500. How much total money will this teacher earn teaching middle school mathematics over the first 30 ​years?

Determine the common ratio and find the next three terms of the geometric sequence. 10, 2, 0.4, a. 0.2; -0.4, -2, -10 c. 0.02; 0.08, 0.016, 0.0032 b. 0.02; -0.4, -2, -10 d. 0.2; 0.08, 0.016, 0.0032 select the best answer from the choices provided a b c d