daijapenn11 daijapenn11 09-02-2021 Mathematics contestada Which of the following is an arithmetic sequence? 12, 4, 4/3, 16/3 ... 1/2, -1/2, -3/2, -5/2 ... 1/2, -1/2, 1/2, -1/2 ... 2, 4, 8, 16, ...