Thanks for the tips Coffeecup! I definitely needed that. The memory is for my phone and for my ebook reader. Not sure about the phone, but the ebook reader can take 32 GB. The question is if I can find a shop that sells it - in Ukraine I saw it.
Now back to the topic of n8m's trip to the USA!
Now that you have the visa, you don't need a job offer before you go, do you? If so, it's not a problem. Just go somewhere and get a job once you got there. If you ask for a job in 100 places, then you WILL get one. It's probably almost impossible to get a manual job applying from abroad.
Also; since you are a Maths student at university; perhaps you could give extra lessons in Mathematics to kids in America? As you know, all the ex USSR countries are very highly regarded when it comes to Maths. You could make a professional looking flyer, put it up around town with your mobile number on it.
What do you think Rockzmom, could that work?