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## Answers

58 = -6+(n-1)4

64 = (n-1)4

16 = n-1

17 = n

there are 17 terms the 8th and 9th terms are in the middle

8th term = a+7d = -6+28 = 22

9th term = a+8d = -6+32 = 26

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58 = -6+(n-1)4

64 = (n-1)4

16 = n-1

17 = n

there are 17 terms the 8th and 9th terms are in the middle

8th term = a+7d = -6+28 = 22

9th term = a+8d = -6+32 = 26