You should consult off line with competent Immigration Counsel as soon as posable. This is a general forum where the attorneys are not supposed to...

It wont be if he does not respond. Reply with what rhwy want and wait

You can file 2 years and 9 months after reaodent simce date on your green card

Expedite of I-485 not likely. However you cam seek expedite of I-131 advqmce parole with proof of relationship to Mom and evidence of her condition...

As ling as you graduate with a Bachelors degree in the field you should be fine

They are available but the wait is lengthy. The best time to call is 7am Eastern

It means it is with an officer and you need to continue to wait. It ahouldnbe adjudicated "relatively" soon

I would stay in US and see what the reason for denial is. Ifnit can be overcome file a motion to reopen. If not clear error on immigration's part I...

The way you are planning it - you and your children will lose the opportunity to process as a DV lottery dependent and will have to be petitioned...

It is bot your I-130 - it is his as he is the petitioner. Yes you van file day after.