During a special promotion at Dell, a customer purchasing a computer and a printer is given the

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During a special promotion at Dell, a customer purchasing a computer and a printer is given the choice of 2 free software packages. If there are 9 different software packages from which to select, how many different ways can the 2 packages be selected?

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A Survey of Mathematics with Applications

ISBN: 978-0134112107

10th edition

Authors: Allen R. Angel, Christine D. Abbott, Dennis Runde

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