cause like it's so important . r$ a: v2 Q. l5 j$ W2 Z
math 20's just crap ' O v0 u5 B6 \4 Q4 J) l' m30's ok, I got 98 1 g$ x1 M+ }( W% `, jhowever I learned in China before. 2 X4 m) U' p1 h. lclass average's like 72 something. 3 L; [. C, u7 v0 M) s7 Rand u really need good mark for calculus (math 31)if u wanna take that