Answer the question.The numbers ? and -? determine the points A and B, respectively, on the unit circle. How are the points A and B related?
A. A and B are the same point.
B. B is the reflection of A through the origin.
C. B is the reflection of A about the y-axis.
D. B is the reflection of A about the x-axis.
Answer: D
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Provide an appropriate response.Which of the following statements is not correct regarding straight-line depreciation?
A. each year's depreciation is exactly the same B. it is commonly used for internal business purposes C. it ignores the salvage value D. it incorporates the useful life of the asset
Find the perimeter.
A. 388 in. B. 319 in. C. 362 in. D. 414 in.
Solve.The weight W of an object on the Moon varies directly as the weight E on earth. A person who weighs 124 lb on earth weighs 24.8 lb on the Moon. How much would a 117-lb person weigh on the Moon?
A. 23.4 lb B. 0.2 lb C. 265.8 lb D. 585 lb
Use an inequality to describe the interval of real numbers.
A. x > 3 B. x ? 3 C. x < 3 D. x ? 3