1 yard equals to 3 feet. The answer is 15 feet
336" - You are to times all of them together to get your answer. Dont forget to put the inches.
4 x (3+6) = 12 + 24 ---->Distributive
3 + ( 8 + 2) = 3 + (2 + 8) ---> Commutative
6 x (7 x 3 ) = (6 x 7 ) x 3 --->Associative
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That's the Kolakovski sequence,