Solve the problem.A certain noise has an intensity I of 
. Given that decibel level D is related to intensity by 
, where I0 is 10-12, determine the decibel level of the noise. Round to the nearest decibel.
A. 85 decibels
B. 8 decibels
C. 195 decibels
D. 75 decibels
Answer: A
Mathematics
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? 
A. 
B. 18z
C. 
D. 
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Find the exact value of the expression.tan 45° - sin 60°
A. - 
B. 
C. 
D. 
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Provide the proper response.A homework problem was "Find 
% of $1900." Student answers were $4.75, $47.5, $475, and $4750. Which is correct? What mistakes were made in getting the answers that are wrong?
What will be an ideal response?
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Find the domain of the function. Express the answer in interval notation.f(x) = 
A. [8, ?) B. [-8, ?) C. (-?, 8) D. (-?, -8)
Mathematics