The Radius of a Circle Is Tripled

question 28

Multiple Choice

The radius of a circle is tripled. By what factor is the area changed?

• A) 3
• B) 6
• C) 9
• D) 12

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Definitions:

Cap-And-Trade

Cap-and-trade is an environmental policy tool designed to reduce pollution by setting a limit (cap) on emissions and allowing businesses to buy, sell, or trade permits for emissions under this cap.

Emission Allowances

Emission allowances are permits or credits that allow the holder to emit a certain amount of pollutants over a set period.

Aggregate Emissions

The total amount of emissions (such as CO2, methane) released into the atmosphere by a specific entity, region, or activity, contributing to environmental impacts like climate change.

Sustainability Initiatives

Practices and strategies companies implement to manage and improve the environmental, social, and economic impacts of their operations.