Yes you may print and bring that notice to the appointment.

Unclear if this is immigration related. Rephrase for better assistance.

Best to check USCIS processing times for the local USCIS service center.

Best to check USCIS processing times for current times.

No this should not impact your citizenship application.

If you have been referred to court, options are limited. Consult with an attorney to explore your options.

Yes your mother may file the I130 for you based on her status.

Best to have an attorney review the denial and discuss next best steps.

Yes you may do so and inform the officer of your travel plans.

It is best to consult with an immigration attorney for guidance.