Question 4(Multiple Choice Worth 5 points) (04.02 MC) Which of the following equations represents the nth term of the arithmetic sequence? 17, 24, 31, 38, 45, ... O an = 17 + 7n O an = 17 + 7(n - 1) Oan = 17 - 7n O an = 17 - 7(n - 1) Question 5(Multiple Choice Worth 5 points) (04.02 MC) If two terms of an arithmetic sequence are a1 = 31 and a15 = -1, what is a2s? O-193 O-185 O-105 O-2