1. ...owned a restaurant, what kind of food would you serve?
Things that suit my fancy, probably invented or reinvented by me. I suspect a heavy historical slant, but I like to play with fusion cuisine, too. Of course, my fans would all want things like beef a la mode, early California food, and spinach pudding (this last judging by how well it went over, last weekend).
2...owned a small store, what kind of merchandise would you sell?
Kimono, of course! And vintage clothing. Hmm, come to think of it, I've done this already, first in a vintage collective, then in kimono parties, then on ebay... It's just that "owned" statement...
3...wrote a book, what genre would it be?
Heck, I've written more than I can count. (Unfortunately most of them are tech manuals. ;-) ) I've got a boxful of novels. (I started writing "real" novels (200+ pages), as opposed to my first 13-page sci-fi novel written at age 7, at age 14.) I've got tens of thousands of pages in file cabinets. Mostly historicals, fantasy, or science fiction. Most the earlier ones embarrass me now. Either the history or the climatology is bad, or they have a stupid naivity, or other flaws. Some are pretty decent, but need a lot of rework, retyping, etc. I've got six novels in various stages of writing, currently (only one over 250 pages, at the moment). And then there are the two cookbooks and the book on vintage kimono and the one on early 19th century clothing. If I ever have time again, maybe they'll all get finished.
4. ...ran a school, what would you teach?
History, of course! Not the kind they teach in schools, but REAL history, not the saga of guys in suits in halls of government, but how the invention of canning affected civilization, or what Billy Yank and Johnny Reb had to deal with in camp and in battle--or their wives dealt with at home.
5. ...recorded an album, what kind of music would be on it?
I'm not good enough to perform. But if I did, it would be things I've written. I used to sometimes sing them at SCA bardic circles, but they tend to be rather dark, and in a minor key, though some people liked them.