cause like it's so important 3 X# o" A2 S$ @& z$ \+ R; Z4 G
math 20's just crap : k' {' o1 D7 A7 h
30's ok, I got 98! z6 W( H' J7 n/ a, k$ B
however I learned in China before. & w$ `# }! t, P6 Dclass average's like 72 something. % w6 j0 \) A/ X1 Qand u really need good mark for calculus (math 31)if u wanna take that