Lol could someone help me with questions 75,77,and 81

asked Jan 27, 2019 99.8k views

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75 . Rukle for this sequence is

nth term = -7 + 5/2(n - 1)

(The image is not very clear Im not sure if the common difference is 5/2 or 3/2)

I cant make out 77 or 81.

Qadenza answered Feb 2, 2019

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