Solve the problem.Andrea's sleeping bag is designed for camping in temperatures of 20°C or warmer. Use the equation 
to determine for what Fahrenheit temperatures is her sleeping bag designed. Round to the nearest tenth of a degree.
A. 61.6° F or warmer
B. 68.0° F or warmer
C. 20.9° F or warmer
D. 93.6° F or warmer
Answer: B
Mathematics
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Solve the differential equation.y' - y = -xy2
A. x - 1 + C
B. 
C. 
D. x + 1 + C
Mathematics
Provide an appropriate response.Estimated life or useful life refers solely to the number of years an asset is expected to be usable.
A. True B. False
Mathematics
Solve the problem.Assume that the profit P made when t units are sold, t > 0, is given by P(t) = t2 - 18t + 72. For what values of t will there be a profit (that is, P > 0)?
A. t = 6 or t = 12 B. t = 18 C. 6 < t < 12 D. 0 < t < 6 or t > 12
Mathematics
Determine whether the proportion is true or false.
= 
A. True B. False
Mathematics