Solve the System $$\left\{ \begin{array} { r } 3 x + y = 12 \\9 x + 3 y = 36\end{array} \right.$$

question 30

Multiple Choice

Solve the system.
- $$\left\{ \begin{array} { r } 3 x + y = 12 \\9 x + 3 y = 36\end{array} \right.$$

• A) \(\varnothing\)
• B) \(( 5 , - 3 )\)
• C) \(( 0,12 )\)
• D) \(\{ ( x , y ) \mid 9 x + 3 y = 36 \}\)

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Definitions:

Accounting Rate of Return

A measure of the return expected on an investment, calculated by dividing the average annual profit by the initial investment cost.

After-Tax Net Income

The amount of profit a company remains with after all tax expenses have been deducted from its total income.

Accounting Rate of Return

A financial metric used to assess the profitability of an investment, calculated as the average annual return over the investment's life divided by the initial investment cost.

Straight-Line Depreciation

An arrangement for apportioning the financial burden of a physical investment throughout its active life in equal yearly disbursements.