Help please i dont know how to do this​

What is the remainder when 2872 is divided by 76? a) 51 b) 57 c) 60 d) 63

Find the greatest common factor of the followig monomials 46g^2h and 34g^6h^6

Why can't my rank go i have 1723 points, but my rank is only at ambitious, which is only 250 points! like, (p.s. i know this isn't related to math, but i just don't know why it's doing this and i would really appreciate if someone could tell me whats going on with this)