Answer:

11. 11, 13, 15

Rule: by 2

12. ⅐, ⅛, ⅑

Rule: by 1/1

13. 43, 45, 47

Rule: by 7

14. 6, 4, 2

Rule: by 1

15. -8, -10, -12

Rule: by 7

Step-by-step explanation:

hope it helps correct me if i wrong

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