Convert as indicated. When necessary, round to the nearest tenth of a degree.At a particular business it is required that the temperature be kept at 78° F, but the thermostat is calibrated in degrees Celsius. Find the temperature to be set.
A. 146.8° C
B. 25.6° C
C. 26.6° C
D. 172.4° C
Answer: B
Mathematics
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Write the rational exponent expression as an equivalent radical expression.(3x)-1/3
A. 
B. 3 
C. 
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Add or subtract. Write the answer in lowest terms.
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Solve by completing the square.49x2 + 98x + 13 = 0
A. - 
, - 
B. - 
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D. 
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Simplify by writing with positive exponents. Evaluate if necessary. Assume that all variables represent nonzero real numbers.
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