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题目： A company accountant estimates that airfares next year for business trips of a thousand miles or less will increase by 20 percent and airfares for all other business trips will increase by 10 percent. This year total airfares for business trips of a thousand miles or less were $9,900 and airfares for all other business trips were $13,000. According to the accountant's estimate, if the same number of business trips will be made next year as this year, how much will be spent for airfares next year?

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题目： What is the value of $${v}^{3}-{k}^{3}$$?(1)$$v k > 0$$(2)$$v - k = 6$$

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According to the second paragraph of the passage, Whig propaganda included the assertion that

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According to the passage, which of the following was true of Virginia Democrats in the mid-1850's?

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Fish currently costs about the same at seafood stores throughout Eastville and its surrounding suburbs. Seafood stores buy fish from the same wholesalers and at the same prices, and other business expenses have also been about the same. But new tax breaks will substantially lower the cost of doing business within the city. Therefore, in the future, profit margins will be higher at seafood stores within the city than at suburban seafood stores.

For the purposes of evaluating the argument, it would be most useful to know whether

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题目： The author of the passage would be most likely to agree with which of the following statements regarding most historians of the antebellum period?

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题目： 8 – [7 – (6 – 5 * 4 + 3) – 2 + 1] =

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题目： Exactly one year ago, Ray put his money into a savings account that yields 0.8% simple interest. If he has earned a profit of $28, how much did he originally deposit?

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题目： At ABC Hardware the total cost of 1 paintbrush and 2 rolls of tape is $6.25. What is the price of one roll of tape? (1) The price of one paintbrush is three times the price of one roll of tape.(2) The total cost of 6 rolls of tape and 3 paintbrushes is $18.75.

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题目： The Townville museum was open for 7 consecutive days. If the number of visitors each day was 3 greater than the previous day, how many visitors were there on the first day?(1) There were a total of 126 visitors for the 7 days.(2) The number of visitors on the seventh day was three times the number of visitors on the first day.

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题目： In a certain school, there are 160 boys and 240 girls. If 15 percent of the boys are left-handed and 25 percent of the girls are left-handed, what percent of the school's entire student population is left-handed?

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题目： In order to combat Carville's rampant homeless problem, Mayor Bloomfield recently proposed a ban on sleeping outdoors in the city's many parks. He claims that such a measure will force the homeless to either leave Carville or to find means other than sleeping in public parks. Which of the following, if true, suggests that Mayor Bloomfield's plan will be successful?

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Shipping Clerk: The five specially ordered shipments sent out last week were sent out on Thursday. Last week, all of the shipments that were sent out on Friday consisted entirely of building supplies, and the shipping department then closed for the weekend. Four shipments were sent to Truax Construction last week, only three of which consisted of building supplies.

If the shipping clerk's statements are true, which of the following must also be true?

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Which of the following can be inferred about supplier partnerships, as they are described in the passage?

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题目：

The author of the passage compares the relationship between an organism's biological clock and its environment to the relation between a wristwatch and its owner most probably in order to