A rock concert was measured to be 
watts/cm2. Find the number of decibels for the power of the sound and round it to the nearest decibel.
?
__________ dB
Fill in the blank(s) with the appropriate word(s).
108
Mathematics
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Find the exact value under the given conditions.sin ? = 
, 
< ? < ?; cos ? = 
, 0 < ? < 
Find sin (? - ?).
A. - 
B. 
C. 
D. 
Mathematics
Eliminate the parameter t. Find a rectangular equation for the plane curve defined by the parametric equations.x = 6 cos t, y = 6 sin t; 0 ? t ? 2?
A. x2 - y2 = 36; -6 ? x ?6 B. x2 + y2 = 36; -6 ? x ?6 C. x2 + y2 = 6; -6 ? x ?6 D. x2 - y2 = 6; -6 ? x ?6
Mathematics
Simplify the expression.
A. 
B. 
C. 
D. -y
Mathematics
Simplify by factoring.
A. (x + 5)6
B. (x + 5)7
C. (x + 5)7
D. x + 58
Mathematics