Cancel F1 visa application which was filed last week.

Yes you can by writing them a letter stating you wish to withdraw your F1 application. It may not be necessary however.

Minor passport renewal when visa extension is denied

Apply at your home country's consulate or wherever in your home country passports may be issued.

Need opinoin and advice for my I-130 petition filed in july 2013.

No reason to be concerned. This time frame is not unusual by any means.

Permanent Residents required to update address. Failure to do so in the past?

Do fill out a form AR-11 referencing your case # (from when you received your green card) and send it to USCIS in charge of your area several...

I got RFE on my h1b in June.I submitted all the docs on July 18th to my employer . RFE was filed on July 22nd.Still no response

Be patient. The amount of time you've been waiting is not vast by any means but especially by USCIS terms ;)

Yes, no problem, don't worry. Once within the US legally, you can travel anywhere within the U.S.

Joint sponsor for my wife to come to america requirements?

It sounds as if this is a must rather than just a choice given your situation right now.

Just sign it the way you always sign.

Which form is needed for affidavit of support for student visa if a sponsor is a company?

I agree with attorney McLean. It sounds as if you have some things mixed up here. Seek an immigration attorney at least for an initial...

Change Family Preference Category

I agree with my colleagues - hire an attorney. Counselor Thomann gave you some excellent explanations why.