The equation for finding the nth term of an arithmetic sequence is, an = a1 + (n - 1) x d where a1 is the first term and d is the common ratio. Using the given term, 40 = 5 + (4 - 1) x d The value of d is 11.67. For the second term, a2 = 5 + (2 - 1) x 11.67 = 16.67 Thus, the second term is 16.67.
