How Much marks do i need to get in a2 now???

all of these are variant 2 and i sat in my as levels in mj25

9702 PHYSICS: 82/130 (High C 1 mark away from B) how much for B/A
9701 Chemistry 70/130 (Low B 2marks ahead of C) how much for B/A
9709 Mathematics 102/125 (High B 2 marks away from A) How much for A/A*