I came here December 2007 I am in j-1 visiting exchange visa 2009 my wife and daughter joined with me they stayed in America 8months only they left 2009 (march 15 to oct 14).
I received w-2 form. I want to know my status am I resident alien or Non-resident alien? Which form should I submit?

You should post this question in the Money & Services > Taxes forum - you are much more likely to get an answer there than posting under Science > Biology!