APA new chapter i got learn b4

2day teacher got through new chapter which is something i learn b4 in nitec. Quite a few important things need 2 remember. Actually 2day class ended 10.30 cos got extra class bout math until bout 2 plus, e teacher who teach is not tat good but nvr mind tat is my math teacher it was some teacher somewhere. My math teacher who teaches my class is better n understandable n have clear mind wat he is tlking n writing bout.