I don't know what to do!

I don't know why I took chemistry in school. It is the art of making things way more complicated than they need to be and I hate it. I just don't know what to do! I'm failing now, and if I flunk the test tomorrow, that's a definite F...and then my parents will be so mad. I don't know how to tell them I'm going to probably fail chemistry, or that it's not for lack of trying. It's too much...and I just don't get it! I've tried to study, even gone to the teacher for help...there is so much I don't understand! What can I do?

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