ASISON761IN ASISON761IN Math Answered A 7. What is the common difference in the sequence -1. - 12.0, 12.1. ...? B. O C. - 12 D. 12 A-1 8. What is the common ratio in the sequence -1. 12. - 14, 18. ...? B. O C. - 12 D. 12. A-1