Solve the System by the Best Method $$\left\{ \begin{array} { l } 8 x + 98 = 6 y \\- 3 x - 4 y = - 7\end{array} \right.$$

question 17

Multiple Choice

Solve the system by the best method. Use set notation to express the solution set.
- $$\left\{ \begin{array} { l } 8 x + 98 = 6 y \\- 3 x - 4 y = - 7\end{array} \right.$$

• A) \(\{ ( - 8,8 ) \}\)
• B) no solution; \(\varnothing\)
• C) \(\{ ( - 7,8 ) \}\)
• D) \(\{ ( - 7,7 ) \}\)

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Net Operating Income

The income generated from a company's everyday business operations, indicating the profitability from core operations before interest and taxes.

Contribution Margin

The amount by which sales revenue exceeds variable costs of a product, used to cover fixed costs and generate profit.

Return On Investment

An evaluation metric employed to assess the effectiveness or financial gain of an investment, or to compare the effectiveness among several investments.

Manufacturing Cycle Efficiency

A metric that measures the efficiency of the manufacturing process by comparing value-added time to total throughput time.