aa.. my teacher in math1b ( algebra ) she's so irritating and speaks not in front of us, but in front of the board.. but she's generous in grade though

Ma lazy bum lecturer...shes not preparin us for our exams...she make us read those topics without showin us the method and reasons to solve such problems...she expect us to know everythin by our own...ridiculous Oh God...all she does when she comes into class she starts rubbin her mouse and play Farmville...whut the fuufff...I have no choice but to form a group studies of ma own...and we really prove her wrong...whut I mean is that we paid fees for her to teach...but thiz whut she did to us...she did not do her job...after that we report thiz matter to our course manager...and she getz fired after that moment...