Physics

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Please help!!! Physics test!?
I have a physics test tomorrow on projectile motion, and I don't feel ready for it. I'm having trouble in the class and I need to ace this test. The problem is I get confused when I get a problem. I don't know how to proceed. After I read the problem, I try to put what I've been given together but I end up confusing my self between all the variables such as Vox, Voy, the angles, components, Vi, Vf, and and all the stuff for the vertical direction. Can anyone please tell me how to approach these problems, or when to use Vox, Voy and how to solve for them. I really need an "A" tomorrow and I need to be able to solve all of these problems!!

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