Solve the problem.The formula for converting Fahrenheit temperatures to Celsius temperatures is 
Use this formula to solve the problem. In a certain city, the average temperature ranges from 
to 
Celsius. Find an inequality that represents the range of Fahrenheit temperatures. If necessary, round to the nearest tenth of a degree.
A. -51.8° ? F ? 22°
B. 12.2° ? F ? 86°
C. -19.8° ? F ? 54°
D. 25.9° ? F ? 48.7°
Answer: B
Mathematics
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Solve the system of equations by the substitution method.
A. (7, 2) B. (-8, 2) C. (8, 1) D. no solution
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Simplify. Assume that no radicands were formed by raising negative quantities to even powers.
A. -8n B. 8n C. -2n D. 6n
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Trace the following circle and using only a compass and straightedge, find the center of the circle.
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