Directions: Answer the following questions involving sequence. Write the letter of th corresponding answer on the decoder to answer the riddle.
11. Determine the next term of the sequence 40. 20, 10,5, ... 12. Find the common difference of the arithmetic sequence 10, 17, 24, 32. 13. What is the arithmetic mean between -4 and 6? 14. Determine the 21st term of an arithmetic sequence -7, -1, 5, 11. 15. Which of the following terms in the box is an example of a finite sequence?
