37.White to move

In the position above Black has an advantage by two pawn.The question is

a)From your point of view is it enough for Black to use this advantage and lead to victory?

Thanks again to Mr....,Eugene,Kumara and Albin for sharing your thought to solve problem 36 and correct this is a draw by 1.Ra4 h4 2.Ra5 Kf6 3.Kh2