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题目： During the first week of April, the ChefZ cooking pan was out of stock at Online Retailer X. Day 1 shoppers are those shoppers who came to Online Retailer X's website seeking a ChefZ cooking pan. For each of the first 3 days of that week, the graph shows the subsequent behavior of all the Day 1 shoppers who visited Online Retailer X's website seeking ChefZ. Shoppers who came to the website and purchased a different item in lieu of ChefZ paid an average of 25% more for the item. From each drop-down menu, select the option that creates the most accurate statement based on the information provided. A)[s[0]]% of Day 1 shoppers visited the site on Day 3. B) Shoppers at Online Retailer X who purchased substitute items on Day 1 and Day 2 paid a total amount that was approximately[s[1]]% of the total all Day 1 shoppers would have paid had each of them been able to purchase ChefZ on Day 1.

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题目： Swamp sparrows live in a variety of wetland habitats. Unlike most swamp sparrows, which live in freshwater habitats, the coastal- plain subspecies lives in tidal wetlands, where freshwater and seawater mix and the mud is gray rather than brown. Coastal-plain swamp sparrows differ from all other populations of swamp sparrows in having plumage that is gray brown rather than rusty brown. DNA analysis indicates several important genetic differences between swamp sparrows that inhabit tidal marshes and other subspecies of swamp sparrows. Therefore there must have been genetic - selection pressure on swamp sparrows in tidal marshes to become darker and grayer.Select Strengthen for the statement that would, if true, most strengthen the argument, and select Weaken for the statement that would, if true, most weaken the argument Make only two selections, one in each column.

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题目： The table lists the percentage of a city's population that visited a video game store, a movie theater, a nightclub, and a department store in a 3-month period. For each of the following statements, select Would help explain if it would, if true, help explain some of the information in the table. Otherwise select Would not help explain.

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题目： For each of the following artifacts in the museum's Kaxna collection, select Yes if, based on the museum's assumptions, a range of dates for the object's creation can be obtained using one of the techniques in the manner described. Otherwise, select No.

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题目： If s is the product of the integers from 100 to 200, inclusive, and t is the product of the integers from 100 to 201, inclusive, what is $$\frac{1}{s}+\frac{1}{t}$$ in terms of t?

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题目： What is the remainder when the two-digit, positive integer x is divided by 3 ?(1)The sum of the digits of x is 5.(2)The remainder when x is divided by 9 is 5.

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题目： Mary passed a certain gas station on a highway while traveling west at a constant speed of 50 miles per hour. Then, 15 minutes later, Paul passed the same gas station while traveling west at a constant speed of 60 miles per hour. If both drivers maintained their speeds and both remained on the highway for at least 2 hours, how long after he passed the gas station did Paul catch up with Mary?

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题目： In the figure above, is quadrilateral PQRS a parallelogram?(1) The area of ∆PQS is equal to the area of ∆QRS.(2) QR = RS

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题目： Machine A, operating alone at its constant rate, produces 500 feet of a particular fiber in 2 hours. Machine B, operating alone at its constant rate, produces 500 feet of the same fiber in 3 hours. Machine C, operating alone at its constant rate, produces 500 feet of the same fiber in 5 hours. How many hours will it take machines A, B, and C, operating together at their respective constant rates, to produce 1,000 feet of the fiber?

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题目： In the xy-plane, line a and line b have the same slope. If the y-intercept of line a is –1, what is the y-intercept of line b ? (1) The x-intercept of line a is –1.(2) Line b passes through the point (10, 20).

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题目： The local board of education found that, because the current physics curriculum has little direct relevance to today's world, physics classes attracted few high school students. So to attract students to physics classes, the board proposed a curriculum that emphasizes principles of physics involved in producing and analyzing visual images.Which of the following, if true, provides the strongest reason to expect that the proposed curriculum will be successful in attracting students?

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题目： A report that many apples contain a cancer-causing preservative called Alar apparently had little effect on consumers. Few consumers planned to change their apple-buying habits as a result of the report. Nonetheless, sales of apples in grocery stores fell sharply in March, a month after the report was issued.Which of the following, if true, best explains the reason for the apparent discrepancy described above?

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题目： Cable-television spokesperson: Subscriptions to cable television are a bargain in comparison to "free" television. Remember that "free" television is not really free. It is consumers, in the end, who pay for the costly advertising that supports "free" television.Which of the following, if true, is most damaging to the position of the cable-television spokesperson?

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题目： A conservation group in the United States is trying to change the long-standing image of bats as frightening creatures. The group contends that bats are feared and persecuted solely because they are shy animals that are active only at night.Which of the following, if true, would cast the most serious doubt on the accuracy of the group's contention?

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题目： The Plexis Corporation, a leading computer chip manufacturer, is currently developing a new chip, which is faster and more effi cient than any computer chip currently in use. The new chip will be released for sale in twelve months. Plexis` market research has shown that initial sales of the new chip would be maximized by starting to advertise it now, but the company has decided to wait another six months before doing so.Which of the following, if true, provides the Plexis Corporation with the best reason for postponing advertising its new chip?