Answer:

12, and 15

Step-by-step explanation:

the pattern was + 5 and - 2

so, 6 + 5 = 11

11 - 2 = 9

9 + 5 = 14

14 - 2 = 12

12 + 5 = 17

17 - 2 = 15

plss mark brainliest

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Answer:

12 and 15

Step-by-step explanation:

plus 5 and minus 2