Write the phrase as an algebraic expression and simplify if possible. Let x represent the unknown number.Five times a number, decreased by 66.

A. 5(x + 66)
B. 5x + 66
C. 5x - 66
D. 5(x - 66)

Answer: C

Mathematics

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A. 1
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C. -, 
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Provide an appropriate response.If an ellipse has vertices at (-6, 0), (6, 0), (0, 3), and (0, -3), what is its domain? What is its range?

A. Domain: [-6, 3]; Range: [-3, 6] B. Domain: [0, 6]; Range: [0, 3] C. Domain: [-6, 6]; Range: [-3, 3] D. Domain: [-3, 3]; Range: [-6, 6]

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Write the decimal number in standard form.Negative ten and five hundred one thousandths

A. -10,000.501 B. -10.0501 C. -10.501,000 D. -10.501

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Solve.Find the discount when the original price is $307.50 at a discount of 30%.

A. $9.23 B. $92.25 C. $215.25 D. $298.28

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Mathematics