Evaluate the expression.

A. - 115
B. - 107
C. - 407
D. - 87

Answer: B

Mathematics

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Solve the problem.To find the distance AB across a river, a distance BC = 805 m is laid off on one side of the river. It is found that B = 108.0° and C = 12.6°. Find AB.

A. 207 m B. 204 m C. 176 m D. 173 m

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Mathematics

Provide an appropriate response.Determine the value that must be excluded as possible solutions to the rational equation:    +  + 

A. x ? 0 B. x ? -2 C. x ? 7 D. x ? 3

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Mathematics

Solve the problem.When 40% of a number is added to the number, the result is 168. What is the number?

A. 140 B. 29 C. 120 D. 48

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Mathematics

Find the integral.

A. x3 - 15x2 + 9x + C
B. x3 - 15x2 + 9x + C
C. x2 + 9x + C
D. x3 + 9x + C

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Mathematics