Inactive Tutor answered 08/18/17
Tutor
New to Wyzant
a3 = 32
a13 = 12
a13 = 32 + (10)d
12 = 32 + 10d
-10 = 10d
-1 = d
Can you determine a1 and then a7?
Hagrid J.
asked 08/18/17Inactive Tutor answered 08/18/17
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