Select ALL of the following that are examples of an arithmetic sequence.

Question

A. You add $2 to a piggy bank and add triple the money you added the previous day for one month.
B. 1,11,21,25,31,38
C. 20,14,8,2, -4, -10
D. 3,9,27,81,243
E. You start at an elevation of 12,000 feet and climb down 1,000 feet per day

Answer 1

B. 1,11,21,25,31,38
C. 20,14,8,2, -4, -10
D. 3,9,27,81,243