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15 16 (1 point) Josef is sent to the store to get 5 different bottles of regular soda and 3 different bottles of diet soda. If there are 10 different types of regular sodas and 7 different types of diet sodas to choose from, how many different choices does Josef have? 16 17 (1 point) How many five letter strings are there that start with a consonant and end with y where repetition is not permitted? 17