laurenmanuel513 laurenmanuel513 11-01-2021 Mathematics contestada Find an equation for the nth term of the arithmetic sequence. 9, 11, 13, 15... A. an = 9 + 2(n-1) B. an = 9 + 2(n+1) C. an = 9 + 2 D. an = 9 * 2(n)