Stress !!!!

What will be going to happen with my math and account........????
I really get sick with this question which keep on appearing in my mind....
I really afraid i will fail in this both subjects for this sem....
I already try my best to cover it,but i still not understand the concept....
It too difficult for me to get understand.....
Cannot find someone to teach me.....T.T
All my friend keep on busy with their works....
I'm dont want to disturb them.....
Because they also busy.....
I only hoping that i can pass both of this subject....
So please God,can u help me get through this both subjects....????