Questions from the book The Great Gatsby chapter 1 please help!?

first question is where is nick from, the second is where had he been for the last few years and the third question i didnt get was what is your opinion on Jordon Baker? i read the chapter but i dont remember it talking about Jordan very much. and one more question when daisy says on page 17 that she hopes her new baby girl is a beautiful little fool what does she mean by that? thank you so much for the help!