Simplify the expression.240 ÷ 6 - 4

A. 36
B. 230
C. 238
D. 120

Answer: A

Mathematics

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Evaluate the derivative.f(x) = 9 tanh-1(cos x)

A. ln sin x
B. - 
C. - 
D. - 

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Provide an appropriate response.Find the volume of the given figure. Round answer to the nearest hundredth of a millimeter.

What will be an ideal response?

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Estimate the product by rounding to a single nonzero digit, then find the actual product.77 × 15

A. Estimate: 100; Actual: 1165 B. Estimate: 1155; Actual: 5929 C. Estimate: 1600; Actual: 1155 D. Estimate: 1160; Actual: 1155

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Perform the indicated operation.Add (6a5 + 2a4) and (3a5 + 5a4).

A. 9a10 + 7a8 B. 9a5 + 7a4 C. 16a9 D. 16a18

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Mathematics