Each term is equal the preceding term plus 3. Therefore the next term is 13 and the difference is +3.
Use a calculator called symbolab.com 0-0
(a/b) x (c/d) = (a*c)/(b*d)
Therefore:
(9/4) x (1/3) = (9*1)/(4*3) = 9/12 = 3/4
Answer:
3/4
I think it's B I might be wrong I hope it helped
