The speed of sound in air depends on the temperature. When the temperature is 32 degrees Fahrenheit, the speed 
of sound is 1087.5 feet per second. The average rate of change for ?S is 1.1 feet per second per degree Fahrenheit. Use these facts to estimate the speed of sound in air when the temperature is 59 degrees Fahrenheit.
?
A. 1088.6 feet per second
B. 1097.5 feet per second
C. 1117.20 feet per second
D. none of the above
Answer: C
Mathematics
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Find all cube roots of the complex number. Leave answers in trigonometric form.125
A. 5 cis 90°, 5 cis 210°, 5 cis 330° B. 5 cis 0°, 5 cis 60°, 5 cis 120° C. 5 cis 45°, 5 cis 165°, 5 cis 325° D. 5 cis 0°, 5 cis 120°, 5 cis 240°
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Graph the linear inequality.-3x - 5y ? 15
A. 
B. 
C. 
D. 
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Solve.Given that loga6 = 0.778, and loga5 = 0.699, find loga62.
A. 1.556 B. 0.544 C. 1.477 D. 0.605
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Solve the problem.The logistic growth model 
represents the population of a species introduced into a new territory after t years. What will the population be in 30 years?
A. 110 B. 140 C. 106 D. 431
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