Solve. 
+ 1 = 
A. 
, 
B. 12, 9
C. -12, -9
D. 12, -9
Answer: B
Mathematics
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Evaluate.cos2 315° - sin2 270° + 4 tan2 30°
A. - 
B. 
C. 
D. 
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Write the decimal as a proper fraction or mixed number in lowest terms.2.4
A. 2
B. 
C. 
D. 2
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Solve the problem.At a particular business, it is required that the temperature be kept at 76°F, but the thermostat is calibrated in degrees Celsius. Find the temperature to be set. If necessary, round to the nearest tenth of a degree.
A. 168.8°C B. 25.4°C C. 143.2°C D. 24.4°C
Mathematics
Solve the equation.2 + log3(2x + 5) - log3 x = 4
A. 
B. 
C. 
D. 
Mathematics