In the High Middle Ages, Latin, though no one's native tongue, was the language of international scholarly communication in Europe. Petrus Alfonsi, a native Hebrew and Arabic speaker. was unquestionably the author of four twelfth-century scientific works. Some scholars also attribute to Aifonsi two later scientific texts, because of their similarity in content and doctrine to the earlier works. However, the Latin in the first four works is impeccable while that in the later texts is not furry competent. Therefore, these two could not have been composed by Alfonsi.
Which of the following, 4 true, most seriously weakens the argument above?
A. During the twelfth century, numerous Hebrew and Arabic manuscripts were translated into Latin.
The ornithologist interpreted the ravens' behavior as indicating that they were looking for another bird's food cache of which it did not know its exact location.
A. of which it did not know its exact locationA study examining ninety large cities found that in those with more kilometers of bicycle paths and roadway bicycle lanes per capita, higher percentages of the population commute to work by bicycle. For this reason the study concluded that adding bicycle paths and lanes is an effective way to encourage commuters to bicycle rather than drive.
Which of the following, if true, would most weaken the reasoning in the study?
A. The higher the percentage of a city's population commutes by bicycle, the stronger political pressure there is for the city to add bicycle paths and lanes.Eric bought 7 T-shirts, each at the retail price of $6.91. If he paid a 6% sales tax on the total of the retail prices of the 7 T-shirts, what was the total amount, including tax, he paid for the T-shirts?
A. $7.32In the coordinate plane, if P and Q are the points where the graph of y= c+ 2x- 8 intersects the y-axis, and the positive x-axis, respectively, what is the slope of the line containing P and Q?

Back as early as the time of Pythagoras, music was considered a key to understanding the universe:
musical tones helped explain mathematics and scientific principles, and certain combinations of notes were thought to have profound effects on the emotions.
A. a key to understanding the universe: musical tones helped explainHOTSPOT
Executive: For this year, our firm's advertising budget for Brand X is four times that for last year, but only half that for the year before last. For each year, for each of our brands, our advertising budget is 10 percent of the average (arithmetic mean) of two amounts: the brand's projected sales for the year and the brand's actual sales for the preceding year. Actual sales of Brand X last year were $5.23 million. Statement A: Given the executive's statements, a journalist could infer what this year's advertising budget for Brand X is if she knew what the amount of was.
Statement B: Given the knowledge of this year's advertising budget for Brand X, if the reporter also knew Brand X's actual sales for the year before last, she could also infer:
Select for A and for 8 two different options that, if inserted in the blanks, create statements that are supported by the statements attributed to the executive. Make only two selections, one in each column.
Hot Area:

Two years ago all automobile dealers in Laurentia began instaling antitheft alarms in all the new cars they sold. Critics of this policy predicted that when thieves could no longer find new cars without alarms, a car alarm in a new car would not deter thieves to the degree it once did. Clearly, however, the critics were wrong: whereas in the last two years the annual number of car thefts in Laurentia has remained about the same as in previous years, last year the proportion of cars stolen that were recently purchased new cars was substantially smaller than it had been two years ago.
In the argument given, the two portions in boldface play which of the following rotes?
A. The first is a prediction that, according to the argument, has proved wrong; the second is evidence on which that assessment of the prediction is based.CORRECT TEXT

The diagram shows the proposed seating assignments at a meeting of students from two schools that are to engage in a Joint science project. Each of the three large circles represents a table. Small blue circles represent students from School X and small white circles represent students from School Y.
From the drop-down menus, select the options that create the statement that is most accurate based on the given information.
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