Express the sum using summation notation.
+ 
+ 
... + 
A. 
B. 
C. 
D. 
Answer: A
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Provide an appropriate response.Find the slope of the line passing through the pair of points or state that the slope is undefined. Assume that all variables represent positive real numbers. Then indicate whether the line through the points rises, falls, is horizontal, or is vertical.(a + b, -c) and (a, a - c)
A. m = 
; rises
B. undefined slope; vertical
C. m = 0; horizontal
D. m = - 
; falls
Solve the problem.Find the image of the given figure under the translation that takes P to P'.
A. 
B. 
C. 
D. 
Change the fraction to a decimal. Round as indicated.1
two decimal places
A. 1.52 B. 0.76 C. 7.60 D. 0.30
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