A Biologist Recorded 9 Snakes on 14 Acres in One $y=\frac{9}{7} x+9$

question 136

Multiple Choice

A biologist recorded 9 snakes on 14 acres in one area and 18 snakes on 21 acres in another area. Let y be the number of snakes in x acres. Write a linear equation for the number of snakes.

• A) \( y=\frac{9}{7} x+9 \)
• B) \( y=-\frac{9}{7} x+9 \)
• C) \( y=\frac{7}{9} x+9 \)
• D) \( y=\frac{9}{7} x-9 \)

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Definitions:

Actual Production

The real quantity of goods or services produced in a specified period, as opposed to planned or expected production levels.

Labor Rate Variance

The difference between the actual labor costs incurred and the standard labor costs expected for the labor hours worked.

Standard Costs

The estimated costs associated with manufacturing, aimed at aiding budgeting and performance evaluation.

Direct Materials Purchases Variance

The difference between the actual costs of materials purchased and the expected (or standard) costs for the materials used.