X^3 +3x^2 +5x +3 / x+1 = x^2 +2x +3
x^3 +x^2
------------
0 2x^2 +5x
2x^2 +2x
----------------
0 3x +3
3x +3
---------
0 0
so the 3rd choice is right sure
1/6 = 0.1666, the last number repeating to infinity, or a repeating decimal.
Hope helps!-Aparri
C. octagon but even though u dont have no picture