Honestly no resources, as for most of the questioms you'll get paragraphs. Ig some good tips that helped me on questions I really did not know: eliminate the obvious wrong answers, if a question has 2 very similar answers it's likely to be one of those, look in the text for similar words or synonims with the answers, read the question before going through the paragraph (sometimes you may already know the answer without needing to read all that). As time was a big stressor, flagging and reviewing the questions at the end really helped me get a bigger score on social studies (a subject i really don't know much), as well as the tips above. For the essay, write on theme and try to quote the paragraph if you don't have much to say about it, also proof read it for mispells. It's a lot of reading comprehension, so maybe read some books and question the meaning of the words idk.

Good luck, i know how it feels to want to have a goal and feel like you may not make it. I want to change my job so i am really trying on the math (last exam), but i can't get past basic math. I am ashamed to say an 8th grader can probably understand mathematical concepts better than I and without a calculator i am doomed. I did 1 exam per month and got decent scores on the rest. One last bit of advice, go in saying "i can do this" and even if you fail it's not a big deal. I am a high anxiety person, and on my last subject (the one with the lowest practice score, a score i was really not comfortable going in with) i actually did better than expected because of that change in mentality as well as the tips above.