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MBA, PHD
Phoniex
Jul-2007 - Jun-2012
Corportae Manager
ChevronTexaco Corporation
Feb-2009 - Nov-2016
Writing in Math Use the information on page 470 to explain how subtraction of rationalÂ
expressions is used in photography. Include an equation that could be used to find the distanceÂ
between the lens and the film if the focal length of the lens is 50 millimeters and the distanceÂ
between the lens and the object is 1000 millimeters.

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