Find the Center and Radius of the Sphere $$x ^ { 2 } + ( y + 10 ) ^ { 2 } + ( z - 1 ) ^ { 2 } = 64$$

question 52

Multiple Choice

Find the center and radius of the sphere.
- $$x ^ { 2 } + ( y + 10 ) ^ { 2 } + ( z - 1 ) ^ { 2 } = 64$$

• A) C(0, 10, -1), a = 64
• B) C(0, -10, 1), a = 64
• C) C(0, 10, -1), a = 8
• D) C(0, -10, 1), a = 8

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Definitions:

Labor Efficiency Variance

The difference between the actual hours worked and the standard hours expected to produce a certain amount of goods, multiplied by the standard labor rate.

Direct Labor

Direct labor refers to the wages and salaries paid to employees directly involved in the production of goods or services.

Standard Labor Cost

The predetermined cost of labor that is expected for manufacturing a product or performing a service, used for budgeting and performance evaluation purposes.

Direct Labor Rate Variance

The difference between the actual cost of direct labor and the standard cost expected, used to assess labor cost efficiency.