Solve the Problem $\mathrm { A } = \pi \mathrm { r } ^ { 2 }$

question 22

Multiple Choice

Solve the problem.
-The area $\mathrm { A } = \pi \mathrm { r } ^ { 2 }$ of a circular oil spill changes with the radius. To the nearest tenth of a square foot, how much does the area increase when the radius changes from $7 \mathrm { ft }$ to $7.1 \mathrm { ft }$ ?

• A) \(4.4 \mathrm { ft } ^ { 2 }\)
• B) \(2.8 \mathrm { ft } ^ { 2 }\)
• C) \(44.0 \mathrm { ft } ^ { 2 }\)
• D) \(22.0 \mathrm { ft } ^ { 2 }\)

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Definitions:

Mexico's Constitution

The supreme law of Mexico, established in 1917, which includes provisions for the protection and rights of workers.

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Rights that allow individuals to engage in activities for the purpose of earning income such as the right to work, right to own property, and rights to appropriate remuneration.

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is a negotiation process between employers and a group of employees aimed at reaching agreements to regulate working salaries, working conditions, benefits, and other aspects of workers' compensation and rights.

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Individuals who belong to a labor union, an organized group that represents workers in negotiations with employers regarding work conditions and wages.