KOISURUSHANIA5857GO KOISURUSHANIA5857GO Math Answered F. determine whether each sequence is arithmetic or not. find the common difference for each arithmetic sequence 1. 4, 8, 12, 16,.. 2. 13, 10, 7, 4,... 3. -10, -8, -6, -4,.. 4. 1, 6, 8, 11, 12,.. 5. 5, 6, 12, 13