Answer:
¿Cómo sabemos los porcentajes? ¿Hay una imagen?
Explanation:
The correct answer for the question that is being presented above is this one: (a) elastic demand. The measure of how demand changes after price adjustments is called elastic demand. T<span>he percentage change in quantity demanded is smaller than that in price. Hence, when the price is raised, the total revenue increases, and vice versa.</span>
B) Plenum cables must be used for this project.
A plenum cable must be installed in each "air carrying" space. For example, most large office buildings use the ceiling to return air to the air conditioning system. This qualifies this ceiling as a plenum ceiling and all cables passing through this ceiling must be plenum rated.
Plenum cable /ˈplɛnəm/ is an electrical cable that is installed in the plenum space of a building. In the United States, plastics used in the construction of plenum wiring are regulated by the National Fire Protection Association's standard NFPA 90A: Standard for Installation of Air Conditioning and Ventilation Systems.
Learn more about cable here: brainly.com/question/21911499
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I thing b is the answer however, this is more of a subjective question. This question is honestly more about opinion and can be answered differently if you see different points of vue.
