Find the first term, the common difference, and give a recursive formula for the arithmetic sequence. 6th term is -10; 15th term is -46 Oa =10, d = 4, an = an-1 +4 == Oa = 10, d=-4, an an-1-4 a =-30, d=4, an = an-1 +4 Oa =-10, d=-4, an =an-1-4