Evaluate.
A. 20
B. 10
C. 120
D. 60
Answer: B
Mathematics
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The decibel, a measure of loudness, is related to the relative intensity of sound by the formula
Decibels 
Relative intensity).
If relative intensity is multiplied by 104.71, how are decibels affected?
?
A. Decibels are increased by 20.2. B. Decibels are decreased by 2.02. C. Decibels are increased by 2.02. D. Decibels are decreased by 20.2.
Mathematics
Find the infinite sum accurate to three decimal places.
A. -1.036 B. 1.036 C. 0.972 D. -0.972
Mathematics
Sketch the graph of the line by locating the second point with the rise-and-run method.Through (-3, -3), m = -1 
A. 
B. 
C. 
D. 
Mathematics
Solve the combined inequality and graph the solution set. Write the solution in interval notation.0 ? 
< 3
A. 
B. 
C. 
D. 
Mathematics