Use Bayes' rule to find the indicated probability.Two stores sell a certain MP3 players. Store A has 34% of the sales, 5% of which are of defective items, and store B has 66% of the sales, 1% of which are of defective items. The difference in defective rates is due to different levels of pre-sale checking of the product. A person receives a defective item of this product as a gift. What is the probability it came from store B?
A. 0.275
B. 0.22
C. 0.5667
D. 0.7083
Answer: A
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Graph the function.f(x) = 2- x - 4
A. 
B. 
C. 
D. 
Factor the polynomial completely.6z2 - 21z - 12
A. 3(2z - 1)(z + 4) B. 3(2z + 1)(z - 4) C. 3(2z - 4)(z + 1) D. (6z - 3)(z + 4)
Factor.x3 - y6
A. (x - y2)(x2 - x y2 + y2) B. (x - y2)(x2 + x y2 + y2) C. (x + y2)(x2 + x y2 + y2) D. (x + y2)(x2 - x y2 + y2)
Solve the problem.The minimum length L of a highway sag curve can be computed by 
where ?1 is the downhill grade in degrees (?1< 0°), ?2 is the uphill grade in degrees (?2> 0°), S is the safe stopping distance for a given speed limit, h is the height of the headlights, and ? is the alignment of the headlights in degrees. Compute L for a 55-mph speed limit, where 
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and 
Round your answer to the nearest foot.
A. 597 ft
B. 565 ft
C. 551 ft
D. 581 ft