Find the first term and the common difference of the arithmetic sequence described. Give a formula for the nth term of the sequence.10th term is 23; 16th term is 25
A. a = 20; d = 
; an = 
n + 
B. a = 14; d = 3; an = 3n + 11
C. a = 20; d = - 
; an = 
n - 
D. a = 20; d = - 
; an = 
n - 20
Answer: A
Mathematics
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