Don't take this personally, I really need to do this so please help me and don't attack me because of the book. How do I write this down as a source?
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Which sentence best represents the thesis of this article? a they challenge us to consider whether we can trust what we are seeing. b optical illusions may seem mysterious, but they are not unexplainable. c through science, we can learn how optical illusions work. d let’s take a look at three common optical illusions and explore the science behind each one.

Why are the majority of the world's economies mixed? what may happen to the "pure" types of economies (traditional, socialist/command, market capitalist) when they incorporate elements from other economic models?

Francisco loves to learn, but his lack of english makes him feel “nervous and scared.” why is he both happy and scared of school