Use the addition property of equality to solve the equation.x + 5 = 7

A. 2
B. 12
C. -2
D.

Answer: A

Mathematics

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Find the exact value under the given conditions.Given cos u = - , with u in quadrant II, and sin v = , with v in quadrant II. Find tan(u - v).

A.
B. - 
C. - 
D.

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Mathematics

Solve the problem.Sonya takes a job that pays $3500 the first year and a raise of $500 per year. What will her salary be for the 15th year?

A. $11,000 B. $7000 C. $10,500 D. None of the above

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Mathematics

Solve. If necessary, round the answer to two decimal places.log35(x + 2) + log35(x) = 1

A. 7 B. -5 C. 5 D. -7

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Mathematics

Determine if each ordered pair is a solution to the given system of inequalities in two variables.xy = 1-7x - y = -8 (i) ; (ii) 

A. (i) Yes; (ii) Yes B. (i) Yes; (ii) No C. (i) No; (ii) Yes D. (i) No; (ii) No

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Mathematics