Question – I ‘m the petitioner and sponsor for my wife my

I’m the petitioner and sponsor for my wife. my income was very low. I fill just one form i-864. should i find someone to help me in financial because my income is low. i have one friend. he have good income. he have to fill for me I-864 or I-864a.
which form? please?

Question – My uncle filed green card aplication for my father years

My uncle filed green card aplication for my father 13 years ago. My mother and i (was under 21 back then) were in the application. 13 years later, they received an email saying that we are eligible to get green cards. I am 34, marriend and have. A 2 year old daughter now. Can i still be get green card for my self and my wife and daighter?