Solve Each System of Equations by the Substitution Method $7 x - y = 6$

question 43

Multiple Choice

Solve each system of equations by the substitution method. $7 x - y = 6$ $- x - 7 y = 3$

• A) \(\left( - \frac { 39 } { 50 } , \frac { 27 } { 50 } \right)\)
• B) \(\left( \frac { 9 } { 10 } , - \frac { 3 } { 10 } \right)\)
• C) \(\left( \frac { 39 } { 50 } , - \frac { 27 } { 50 } \right)\)
• D) \(\left( \frac { 9 } { 16 } , - \frac { 13 } { 16 } \right)\)
• E)no solution

Evaluate the ethical considerations and arguments for and against protectionism.

Understand the impact of inventory accounting methods on economic earnings.

Identify and calculate different financial ratios that indicate liquidity, profitability, and asset utilization.

Analyze the effect of debt on a firm's return on equity (ROE) under different conditions.

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Definitions:

Profit-Maximizing Monopolist

A monopolist who adjusts the price or quantity of the product to maximize profit, considering the market's demand curve.

Equilibrium

A state in economic models where supply equals demand, leading to a stable market price and quantity.

Positive Profits

Financial gains realized when the total revenues of a business exceed its total costs.

Pure Monopolist

A single seller in a market that produces a unique product without close substitutes, having significant control over the market price.