Add.-6 + 5n6 - 6n5 and 4n6 + 4n5 - 6
A. -12 - 2n6+ 9n5
B. 9n6 - 2n5 - 12
C. -5n11
D. -2n6 + 9n5 - 12
Answer: B
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Solve the problem.Suppose that sales of a particular brand of appliance satisfy the relationship 
where y represents the number of sales in year x, with 
corresponding to 1992. What does the ordered pair 
mean in the context of the situation? 
A. In 2005, sales of the appliance were 1540. B. In 2005, sales of the appliance were 1460. C. In 2005, sales of the appliance were 3000. D. In 2005, sales of the appliance were 3080.
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
Multiply and simplify.
A. 
B. 
C. 
D. 
Perform the indicated arithmetic.2
- 
A. 6
B. 7
C. 6
D. 6