Solve the problem.Find the net price of a bicycle that lists for $189.95 if a discount rate of 10% is offered. Round to the nearest cent.
A. $170.96
B. $170.46
C. $19.00
D. $18.50
Answer: A
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Find the slope of the line tangent to the curve at the given value of x.f(x) = - 
; x = -4
A. 
B. 
C. 
D. 
Form a polynomial f(x) with real coefficients having the given degree and zeros.Degree: 4; zeros: 4i and -5i
A. f(x) = x4 - 5x2 + 400 B. f(x) = x4 - 4x3 + 41x2 + 400 C. f(x) = x4 + 41x2 -5x + 400 D. f(x) = x4 + 41x2 + 400
Identify the like terms in the algebraic expression. 9x2 + 9 - 5x + x2 - 5
A. 9x2 and -5x2; 9 and -5 B. 9x2 and 9; 5x and x2 C. 9x2, x2, and -5x; 9 and -5 D. 9x2 and x2; 9 and -5
Solve the problem.The loudness of sound can be measured on a decibel scale. The sound level L (in decibels) of a sound is given by 
where I is the intensity of the sound (in watts per square meter, W/m2) and 
A certain sound has intensity of 
Find the decibel value of this sound? (Round to the nearest whole number.)
A. 9 decibels B. 204 decibels C. 79 decibels D. 89 decibels