Find the distance between the pair of points. Where appropriate, give an approximation to three decimal places.
and 
A. 
? 1.06
B. 
? 0.857
C. 
? 1.182
D. 
? 40.382
Answer: B
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Solve the problem.The number of VHS movie rentals has declined since the year 2000 due to the popularity of DVDs, as the following table shows. The exponential regression equation was found to be 
where x represents the number of years since 2000. According to the exponential model, what is the decay factor for the number of VHS rentals?
A. 0.8209 B. -8.92 C. 0.1791 D. 9.92
Solve.The loudness, D, in decibels of a sound of intensity I is given by D = 10 log (I/I0), where I is measured in watt/m2 and I0 = 10-12 watt/m2. What is the decibel level of a noise whose intensity is 7.54 x 10-5 watt/m2? (Round to the nearest whole number.)
A. 69 decibels B. 181 decibels C. 79 decibels D. 8 decibels
Solve the system of nonlinear equations. xy = 2x + y = 3
A. (2, -1), (1, -2) B. (2, 1), (1, 2) C. (-2, 1), (-1, 2) D. (-2, -1), (-1, -2)
Solve the problem.An isosceles triangle has at least two sides of equal length. Determine whether the triangle with vertices 
and 
is isosceles.
A. Yes B. No