US Immigration from Sudan

My dad filled for me on April 26 2018 f2a , last September 26 my case changed to rfe, i sent all the requested documents and they received it on October 15, its been 17 days and no answer form them , California processing time is now 12.5 to 16.5 months and am at my 18th month, when i filed an inquiry they said I cant access my information , i filed the inquiry on oct 28 but in their response they said i filed it on October 25

Today i received my rfe notice, i need help with the documents that to be send

its been a week since status changed to we mailed you a request for additional evidence and notice by mail not received yet , is it normal or should i do an e-request ?

Today my status was changed to RFE , am a son of LPR , i need to know what will they ask for ?

Hi everyone

I have 1-30 pending , i want to go to stay with my mom with a tourist visa , i want to know if i am approved in the us can i fill adjustment of status?