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Someone pls help

Which of the following is true for the relation f(x)=2x^2+1

Due to a packaging error, 4 cans labeled diet soda were accidentally filled with regular soda and placed in a 12 pack carton of diet soda. two cans were randomly selected from this 12 pack. what is the probability that both cans were regular soda?

Find the values of the variables and the lengths of the sides of this kite.