It's been hacked before, it was actually using the old DNN method and someone got access into it and then got all the current questions and answers for many subjects. I know for a fact English 2, with the figure of speech, and all that stupid shit all the possible questions have answers for them somewhere on google. But they use the same passages, stories and poems, then make their own new questions for them sometimes too, and as well as get entirely new things.
As for math I'm not sure how it would apply, but I'm more then sure you can find it on google. Dork for the name of your course in the school, or the education2020 part for answers keys/leaks.
Math isn't that hard, Math is solid logic, English is more like an opinion of logic. Math should be the easiest thing to do on that half assed education site that public schools use as an easy way to grade students to catch them back up through their half assed system to their core classes.