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Show that u=(2,-3,1) and v=(3,1,-3) are perpendicular? For the standard normal distribution, what is the area to the right of z =1.00? For the standard normal distribution, wha is the area between the z score of -1.50 and 2.50? Why is the purpose of having 2 overdrive channels? Is 20mg adderall bad to take with caffeine pills?