Solve the System by the Method of Substitution

question 89

Multiple Choice

Solve the system by the method of substitution.

• A)(-4, 2)
• B)(2, -4)
• C)(-2, -4)
• D)(-4, -2)
• E)(4, 2)

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Definitions:

Sulfur Dioxides

are a type of air pollutant produced from burning fossil fuels, contributing to acid rain.

Respiratory Tracts

The pathways that air takes to enter and leave the lungs, facilitating gas exchange.

Lower Atmosphere

The part of the Earth's atmosphere closest to the surface, extending from the surface up to the tropopause, and is where most weather events occur.

Montreal Protocol

A global agreement aimed at safeguarding the ozone layer through the gradual elimination of several compounds that contribute to its depletion.