Extreme math for grade 11 and 12 is really important

Also google "mathlamar" there guide was very helpful for me

Bro math is not a tricky subject just study what you are going to learn on the next period and when u get to the lecture try to give attension to the teacher and after that try to solve math problems and u will be good in math

extreme maths 11 and 12

organic chemistry utube channel... they have good math tutorials