12 days postpartum

Trish
My baby was in  NICU for a week and we came home , nurses helped me
Breastfeed but since I have come home I could not do it and just pumping and bottle feeding for a 5 days now. I want to mix and do both . Please help and suggest how to start breastfeed and how to mix bottle with it. How long u let baby cry initially but still try when he cannot latch. I am
So confused and feel I am not able to do it