Perform the following operation. 
Definitions:
Inventory
Inventory refers to the goods and materials that a business holds for the ultimate goal of resale or production.
Wind-Powered Electricity
The generation of electrical power by converting the energy obtained from wind turbines into electricity.
Q9: Consider the sets <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7816/.jpg" alt="Consider
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Q20: In 1742 the mathematician Christian Goldbach observed
Q24: Let <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7816/.jpg" alt="Let be
Q24: An elderly rancher died and left her
Q32: Write the number 15 as a binary
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Q132: Is the set {0, 1, 2, 3,