Write the proportion.30 children is to 39 bicycles as 10 children is to 13 bicycles
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Answer: B
Mathematics
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Plot the point whose polar coordinates are given.
A. 
B. 
C. 
D. 
Mathematics
Evaluate the double integral over the given region.
R = {(x, y): 0 ? x ? 1, 0 ? y ? 2}
A. 
B. 
C. 
D. - 
Mathematics
For the compound inequality, give the solution set in both interval and graph forms. 9x + 3 ? -6 or 9x + 3 ? 30
A. (-?, 3]
B. (-?, -1] ? [3, ?)
C. [-1, 3]
D. [-1, ?)
Mathematics
Provide an appropriate response.On the decibel scale, the loudness of a sound, in decibels, is given by D = 10 log
, where I is the intensity of the sound, in watts per meter2, and I0 is the intensity of a sound barely audible to the human ear. If the intensity of a sound is 106I0, what is its loudness in decibels?
A. 3 decibels B. 60 decibels C. 6 decibels D. 10 decibels
Mathematics