kon'nichiwa!
Wow, how lovely to see thread like this!
It seems domudecino2611-san has got 2 brilliant teachers!
Well, a littel help from us too... "thank you for your answer" in Japanese could be
こたえてくれてありがとう。 Also, おへんじありがとう。 where おへんじ literally means "reply" (this sounds more natural, actually).
Natsuko(奈津子),
Team JapanesePod101.com