Use Cramerʹs Rule to Solve the System of Equations $$\begin{array} { l } 3 x + 3 y + z = 22 \\4 x - 4 y - z = 2 \\5 x + y + 3 z = 18\end{array}$$

question 117

Multiple Choice

Use Cramerʹs rule to solve the system of equations. If D = 0, use another method to determine the solution set.
- $$\begin{array} { l } 3 x + 3 y + z = 22 \\4 x - 4 y - z = 2 \\5 x + y + 3 z = 18\end{array}$$

• A) \(\{ ( 4 , - 2,4 ) \}\)
• B) \(\{ ( - 2,4,4 ) \}\)
• C) \(\{ ( 4,4 , - 2 ) \}\)
• D) Cramer's rule does not apply since \(\mathrm { D } = 0\);

Identify the characteristics of modern economies and their dependence on specialization.

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Examine the role and impact of major international agreements (e.g., GATT, NAFTA) and organizations (e.g., WTO, European Union) on global trade and economics.

Understand the diversity of standards of beauty across cultures and time.

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