Don't feel bad. The math questions threw me off but I was asked 3 math questions and missed one because I forgot to move the decimal. Doing math in your head without a piece of paper is foreign to me....
The ebooks that you got did they give you information on what books to get. I sent you my number so it would be easier for us to talk if that is OK. My name is cheranny. My number is (909)859-1065....