Solve the problem.The loudness of a sound can be quantified in units called decibels, where the number of decibels d is given by the formula 
What is the decibel rating of a sound having an intensity 
I0?
A. 3 decibels
B. 30 decibels
C. 13 decibels
D. 1000 decibels
Answer: B
Mathematics
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Evaluate the integral.
A. 25 B. 125 C. 3125 D. 625
Mathematics
Find the area of the region specified by the integral(s).
A. 
B. 
C. 4500
D. 2304
Mathematics
Construct a truth table for the statement.~t ? (~t ? s)
A. 
| T | T | F |
F T T
F F F
B.
| T | T | T |
F T T
F F F
C.
| T | T | T |
F T T
F F T
D.
| T | T | T |
F T T
F F F
Mathematics
Add.-11 + 36.87 + (-47.06)
A. -94.93 B. 72.93 C. 94.93 D. -21.19
Mathematics