Use however many sources you need, but keep it to a minimum. I’ve already written an essay for #8, so you only need to do 3 of the topics, just get at least a page on each topic
Here is the textbook (its an older edition): https://drive.google.com/file/d/1lbrPkDycvdxpWX52FvfsLH0kSX7QnqLQ/view?usp=drivesdk