Need asap time limit find the next four terms in the arithmetic sequence. a - 6, a - 2, a + 2, a. a + 6, a + 12, a + 15, a + 18 c. a + 6, a + 10, a + 14, a + 18 b. a + 4, a + 10, a + 12, a + 14 d. a + 4, a + 6, a + 8, a + 10