How much can i seel my used xbox an games for?

the games are burnout 3 revenge, need for speed carbon, midnight club 3 dub edition, nascar '07, nba 2k6, call of duty 2 big red one, major league baseball 2k6, nba ballers phenom, greg hastings' paintball tournament, true crime new york city, tiger woods pga tour 2005, halo 2, and need for speed most wanted