Which of the following recursive formulas represents the same arithmetic sequence as the explicit formula an=5+(n-1)2

Astudent received the following grades last semester. find the student's semester grade point average. an a is algebra (3 credits), a b in history ( 3 credits), a in sociology ( 3 credits) a d in english ( 3credits) and a c in seminar ( 2credits). an a is worth 4 points, a b is worth 3 points a c is worth 2 points and a d is worth 1 point.

Which expression will have the same sum as 3_8 + 1/4?

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