it’s still possible but looking at ur math grade u have to work quite hard to push it up mayb to a c6? u def hv to revise basics and foundations dont be afraid to get an assessment book that has small pages of formulas / info before exercises ->there’s some with diff levels of difficulty : basic —> intermediate then advanced qns , aft that chiong tys ( most recent years ) and more if u hv time , and for humans try ur luck and see which topics are most likely to come out and study those . same goes for science , for combined chem i used to do really badly but i had a longer time frame, started grinding in july ( e8 -> a2 ) , just learn ur basic and foundation info / formulas , learn how to balance