Solve the problem.The intensity of a radio signal from the radio station varies inversely as the square of the distance from the station. Suppose the the intensity is 8000 units at a distance of 2 miles. What will the intensity be at a distance of 14 miles? Round your answer to the nearest unit.
A. 127 units
B. 163 units
C. 189 units
D. 146 units
Answer: B
Mathematics
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1/4
A. 
B. - 
C. - 
D. 
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Indicate which symbol, ? or ?, makes the statement true.0 ?
A. ? B. ?
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Perform the conversion. Round to the nearest tenth when necessary.19 L to qt
A. 22.8 qt B. 8.6 qt C. 18.0 qt D. 20.1 qt
Mathematics
Use a graphing calculator to graph the function using the given viewing window parameters.y = cos x + 1 
A. 
B. 
C. 
D. 
Mathematics