Solve the problem.A certain noise measures 63 decibels. If the intensity is multiplied by 1000, how many decibels will the new noise measure? 
A. 93 decibels
B. 66 decibels
C. 63,000 decibels
D. 189 decibels
Answer: A
Mathematics
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Shade the regions representing the set.B ? (A ? C') 
A. 
B. 
C. 
D. 
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Find the perimeter of the figure.
8
A. 22
B. 11
C. 22
D. 11
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Write the first four terms of the sequence.an = 1 - 
A. a1 = 0, a2 = 
, a3 = 
, a4 = 
B. a1 = 0, a2 = 
, a3 = 
, a4 = 
C. a1 = 1, a2 = 
, a3 = 
, a4 = 
D. a1 = 1, a2 = 
, a3 = 
, a4 = 
Mathematics
Solve the problem.A banquet dinner is being organized by a club. The actual cost of the dinner is $20 per person. The members are to pay $5 to attend, with the club making up the difference. What percentage of the dinner's cost is the member to pay?
A. 15% B. 20% C. 17% D. 25%
Mathematics