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题目： The sum of three integers is 40. The largest integer is 3 times the middle integer, and the smallest integer is 23 less than the largest integer. What is the product of the three integers?

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题目： If $$k = -1$$, which of the following is (are) true?I.$${k}^{k}={k}$$II.$$\mid {k}\mid=-{k}$$III.$${k}^{0}=-{k}$$

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题目： Editorial:The mayor plans to deactivate the city's fire alarm boxes, because most calls received from them are false alarms.The mayor claims that the alarm boxes are no longer necessary, since most people now have access to either public or private telephones.But the city's commercial district, where there is the greatest risk of fire, has few residents and few public telephones, so some alarm boxes are still necessary.Which of the following, if true, most seriously weakens the editorial's argument?

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题目： If $$xy \neq 0$$, what is the value of $${{1}\over{x}}+{{1}\over{y}}$$ ?(1) $${{1}\over{(x+y)}}=-1$$(2) $$xy=6(x+y)$$

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题目： What is the value of $$\frac {3^{-(x+y)}} {3^{-(x-y)}}$$?(1)$$x = 2$$(2)$$y = 3$$

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题目： If Sam were twice as old as he is, he would be 40 years older than Jim. If Jim is 10 years younger than Sam, how old is Sam?

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题目： Falling unemployment numbers have raised expectations of the Federal Reserve will cause an increase in the prime lending rate.

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题目： Simon Bolivar (1783 – 1830) is remembered in that he led the independence revolutions in several South American countries, like Venezuela and Bolivia, and for instilling the ideals of democracy across the continent.

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题目： Amalgamated Copper Corporation's sudden purchase of 200 million shares of Cupric Thunder, one-third of the latter's publically traded shares, seems like a suggestion of A.C.C., despite its press releases, is planning to acquire and subsume Cupric Thunder.

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题目： The idea of all men being equal, cited in the Declaration of Independence and from there, having been quoted extensively on numerous occasions, arguably first to appear in Hobbes's Leviathan.

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题目： Research into how our brains process the written word and encode this information into long-term memory have shown that the advantages in text retention conferred by a physical book far outweigh the few of an electronic reader, the physical location of the text on the page playing a major role in the ease with which that information is encoded in our brains.

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题目： Mount Diablo, about 40 miles inland from San Francisco, CA, is not a very high peak, with an elevation under 4000 ft., more than 10,000 ft. shorter than the tallest peaks in California, but due to its being adjacent to such a large expanse of low flat land in California's Central Valley, its viewshed ranking as one of the largest in western United States, including not only the entire San Francisco Bay Area and also the whole of the Central Valley as well, clear across to the Sierra Nevada mountains on the eastern side of the state.

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题目： Of all the birds of prey, maybe none is more majestic as the peregrine falcon, which reaches speeds of 200 mph during its swoops and strikes down prey at these high speeds in midair.

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题目： The Sherpa people, indigenous to the mountainous regions of eastern Nepal, are known to have their ability of performing with ease the demanding tasks of mountaineering at some of the highest known altitudes.

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题目： Patagonia, extending from the Rio Colorado in southern Argentina down to the Tierra de Fuego archipelago, and it boasts numerous dramatic views to alpine lakes surrounded by snowcapped peaks.