PTC...Furture

i knew it, shouldnt have went to PTC. well no good commands, from chem..math not there, at least i didnt see, lucky...chem teacher said i have no self confidence,well, i just dun get chem at all, not dun get,but is confused with the concepts and stuffs. now i am looking at math again, i know the concepts, but cant apply, to questions, why do we have to do that? its stupid, but i seriously dun get those question behind chapter 7 and 10. trigo, and DY/Dx, something i hate, damn, i also dun get volume of revolution, its damn hard, i still have like SAT to do, under really very very much pressure, life sucks, i wana die, i cant get anything right god! safe me!tell me whats wrong with me!!!!!.....i duno what i should do now, IB is important, but chem and math matters alot too, i mean i cant let this two subjects pull down my over mark.....for IB.....i need to find a way to slove it,,....i wana die....argh!!!!!!!!