Use the decibel scale to answer the question.What is the loudness, in decibels, of a sound 53 million times as loud as the softest audible sound?
A. 62 dB
B. 93 dB
C. 77 dB
D. 108 dB
Answer: C
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Solve the problem. Use the approximate APR formula to estimate the APR, and round rates to the nearest tenth of a percent.Jordan wants to buy an electric guitar for $320. The music store offers to let him buy it on credit, paying only $11.14 per month for 33 months. What is the finance charge? What is the approximate annual percentage rate?
A. $42.76, 10.8% B. $36.48, 8.3% C. $58.76, 12.9% D. $47.62, 10.5%
Determine whether the relation defines y as a function of x. Give the domain.y = x3
A. Not a function; domain: (-?, ?) B. Not a function; domain: all whole numbers C. Function; domain: (-?, ?) D. Function; domain: all whole numbers
Graph the parabola with the given equation.(y - 1)2 = 6(x - 1)
A. 
B. 
C. 
D. 
Solve the inequality.30(x2 - 1) > 91x
A. 
or 
B. 
or 
C. 
D. 