Simplify.-5-4
A. 625
B. -625
C. - 
D. 
Answer: C
Mathematics
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Find the limit.
A. -? B. Does not exist C. 0 D. ?
Mathematics
Solve the problem.The decibel level D of a sound is related to its intensity I by 
. If I0 is 10-12, then what is the intensity of a noise measured at 93 decibels? Express your answer in scientific notation, rounding to three significant digits, if necessary.
A. 1.09 × 1016 watt/m2 B. 2 × 10-3 watt/m2 C. 2 × 10-2 watt/m2 D. 9.3 × 10-10 watt/m2
Mathematics
Find the production matrix for the input-output and demand matrices.A = 
, D = 
A. 
B. 
C. 
D. 
Mathematics
Find fractional notation for the ratio. You need not simplify.In this rectangle, find the ratios of length to width and of width to length.
A. 
; 
B. 
; 
C. 
; 
D. 
; 
Mathematics