Ight brah, ACT is pretty easy if you understand what you're doing...
Math is generally easy, and questions 50-60 are probably the hardest because they deal with trigonometry and some basic algebra 2. 1-40 is just pre algebra, algebra 1, and geometry so I guess remembering sohcahtoa and some other small area formulas help you.
Science isn't what you know, but how you interpret the graphs and the words in the questions.. Don't bother reading the info they give you as an insight to the topic, go straight to the questions to save time.
Reading is easy, just read and write down the idea of each paragraph on the side and then go back to the text when looking for answers, it'll save even more time.
English is just knowing basic grammar, not like the SAT where its a vocab test.
I used the princeton 1296 ACT review and some other book to boost my score up from a 32 to 34 in like 4 months, which was good enough for me. Get on that adderall too, because it helps to be honest lol