Do I Need Braces and Do I Have a Crossbite? (photo)

I think I have a crossbite but I don't know whether it goes left or right. But I already know that my teeth are crooked on the top row and just a little crooked on the bottom row. If this is a cross bite, what can be done to fix the cross bite? And I also want to know whether I would need braces or not.

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