An arithmetic sequence has a first term of 7 and a common difference of 4. What is the 12th term of the sequence?

✓ Correct Answer: Option C

The formula for the nth term of an arithmetic sequence is a_n = a_1 + (n-1)d. Here, a_1 = 7, d = 4, n = 12. So, a_12 = 7 + (12-1)4 = 7 + 11*4 = 7 + 44 = 51.