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Mathematics 9 Online
OpenStudy (anonymous):

What size corners should be cut from a piece of cardboard that measures 30 in. by 30 in. to make an open-top box with the greatest possible volume? a. 3 in by 3 in c. 15 in by 15 in b. 5 in by 5 in d. 30 in by 30 in

OpenStudy (phi):

is this calculus?

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