Solve the equation by completing the square.x2 - 8x + 12 = 0
A. {
, -1}
B. {-6, -2}
C. {10, 2}
D. {6, 2}
Answer: D
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Complementary products can facilitate the sale of another product or
A. reduce economies of scale B. reduce switching costs C. increase the functionality of the original product D. increase government regulation
Solve the problem.The data lists braking distances D in feet for cars traveling at x miles per hour on dry, level pavement. Find a function given by D(x) = ax2 that models these data. 
A. D(x) = 
x2
B. D(x) = 
x2
C. D(x) = 18x2
D. D(x) = 9x2
What part of the set of objects is shaded?
A. 
B. 
C. 
D. 
Electronic baseball games manufactured by Tempco Electronics are shipped in lots of 24. Before shipping, a qualitycontrol inspector randomly selects a sample of 8 from each lot for testing. If the sample contains any defective games, the entire lot is rejected.
What is the probability that a lot containing exactly 4 defective games will still be shipped? Round your answer to the nearest thousandth, if necessary. The probability is __________.