Solve the system, using Cramer's rule, if possible.
A. {(-1, 8, 2)}
B. {(1, 8, 7)}
C. ?
D. {(1, 7, 8)}
Answer: B
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Answer the question.Use the table of record trout lengths at Yosemite Lake to answer the question. To find the average, add up the values you are interested in and then divide the sum by the number of values. Round your answer to the nearest tenth. 
Find the average length of record trout caught during a weekday.
A. 13.9 in. B. 19.5 in. C. 14.2 in. D. 71.2 in.
Use the graph to answer the question.
What were the total sales for the first 6 months of 2000?
A. $240,000 B. $290,000 C. $46,000 D. $366,000
Solve the problem.The length of time it takes college students to find a parking spot in the library parking lot follows a normal distribution with a mean of 6.0 minutes and a standard deviation of 1 minute. Find the probability that a randomly selected college student will find a parking spot in the library parking lot in less than 5.5 minutes.
A. 0.3551 B. 0.1915 C. 0.2674 D. 0.3085
Solve the problem.A father wishes to distribute 19 pieces of candy among his 4 children (Abe, Betty, Cindy, and Dale) based on the number of hours each child spends doing chores around the house. Using a certain apportionment method, he has determined that Abe is to get 9 pieces of candy, Betty is to get 4 pieces, Cindy is to get 3 pieces, and Dale is to get 3 pieces. However, just before he hands out the candy, he discovers that he has 20 pieces (not 19) of candy. When he apportions the 20 pieces of candy using the same apportionment method, Abe ends up with 10 pieces, Betty with 5 pieces, Cindy with 3 pieces, and Dale with 2 pieces. This is an example of
A. a violation of the quota rule. B. the population paradox. C. the new states paradox. D. the Alabama paradox. E. none of these