Chat I need help pls

Guys I got 66 in phy, 68 in Chem, 70 in bio and 76 in maths. Is this possible anyhow to get a low A (80) in A2??? I've talked with so many people in whats app and everyone be like yeah it's possible but very hard.And yeah, I also know that it's very hard.Has anyone got a A from C or B from D or something like this? Please help me out gng 😭😭