Use the given vectors to find the indicated expression.v = -3i - 5j + 4k, w = 4i + 3j - 2k, u = -2i + 4j - 2kFind v ? (v × w).
A. 0
B. -74
C. 30
D. 74
Answer: A
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Is the function graphed one-to-one?
A. Yes B. No
Solve the problem.The amount of money (in thousands of dollars) that Americans spend yearly at coffee retailers has increased greatly. 
Let D be the amount (in thousands of dollars) Americans have spent on coffee every year since 1996. A model for the situation is 
Use factoring strategies to determine the year when 88,000 dollars was or will be spent on coffee.
A. 2002 B. 2002, 1988 C. 1988 D. 1992
Use dimensional analysis and the exchange rate below to convert. Round to the nearest hundredth, if necessary. 
Convert 800 £ (Great Britain pound) into U.S. dollars.
A. $533.97 B. $829.36 C. $1,198.55 D. $771.68
Many states conduct lotteries; a typical lottery payoff ticket is shown here. Assume there are 20 numbers chosen from a set of 80 possible numbers. What is the expectation for a five-spot game? Assume that the ticket cost $1. Please, round your answer to the nearest cent. 5 SPOT GAMEMATCHPRIZE543$200$10$2? $__________
Fill in the blank(s) with the appropriate word(s).