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Selecting Rats How many different ways can a researcher select 4 rats from 9 rats and assign each to a different test? OO There are

Selecting Rats How many different ways can a researcher select 4 rats from 9 rats and assign each to a different test? OO There are different ways to choose 4 rats from 9 to do different tests. X

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Mechanics of Materials

Authors: Russell C. Hibbeler

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134319656, 978-0134319650

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