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PREP07 Test 1	Sales of telephones have increased dramatically over the last year. In order to take advantage of this increase, Mammoth Industries plans to expand production of its own model of telephone, while continuing its already very extensive advertising of this product.Which of the following, if true, provides most support for the view that Mammoth Industries cannot increase its sales of telephones by adopting the plan outlined above?
PREP07 Test 1	In the finite sequence of positive integers $${K}_{1}$$, $${K}_{2}$$, $${K}_{3}$$....,$${K}_{9}$$each term after the second is the sum of the two terms immediately preceding it. If $${K}_{5}= 18$$, what is the value of $${K}_{9}$$?(1) $${K}_{4}={11}$$(2) $${K}_{6}={29}$$
PREP07 Test 1	The manager of a theater noted that for every 10 admission tickets sold, the theater sells 3 bags of popcorn at $2.25 each, 4 sodas at $1.50 each, and 2 candy bars at $1.00 each. To the nearest cent, what is the average (arithmetic mean) amount of these snack sales per ticket sold?
PREP07 Test 1	Africa's black rhino population in the mid-1970's numbered about 20,000, ten times the estimated population of 2,000 in 1997.
PREP07 Test 1	Bank depositors in the United States are all financially protected against bank failure because the government insures all individuals' bank deposits.An economist argues that this insurance is partly responsible for the high rate of bank failures, since it removes from depositors any financial incentive to find out whether the bank that holds their money is secure against failure.If depositors were more selective.then banks would need to be secure in order to compete for depositors' money.The economist's argument makes which of the following assumptions?
PREP07 Test 1	Is x + y negative?(1)x is negative.(2)y is positive.
PREP07 Test 1	In the rectangular coordinate system above, the area of triangular region PQR is
PREP07 Test 1	Scientists say that each of the photographs taken of the Ares Vallis plain by the Mars Pathfinder indicate the overwhelming extent to flooding on the planet billions of years ago and the degree that rocks were scattered by its force.
OG12 OG15 PREP07 Test 1	A drug that is highly effective in treating many types of infection can, at present, be obtained only from the bark of the ibora, a tree that is quite rare in the wild. It takes the bark of 5,000 trees to make one kilogram of the drug. It follows, therefore, that continued production of the drug must inevitably lead to the ibora`s extinction.Which of the following, if true, most seriously weakens the argument above?
PREP07 Test 1	The number 75 can be written as the sum of the squares of 3 different positive integers. What is the sum of these 3 integers?
PREP07 Test 1	What is the tens digit of the positive integer r?(1) The tens digit of r/10 is 3.(2) The hundreds digit of 10r is 6.
PREP07 Test 1	For the best extraction of the flavor of saffron threads, it should be soaked in liquid after being pounded with a mortar and pestle.
PREP07 Test 1	Manufacturers sometimes discount the price of a product to retailers for a promotion period when the product is advertised to consumers.Such promotions often result in a dramatic increase in amount of product sold by the manufacturers to retailers.Nevertheless.the manufacturers could often make more profit by not holding the promotions.Which of the following, if true, most strongly supports the claim above about the manufacturers' profit?
PREP07 Test 1	In triangle ABC above, what is the length of side BC ? (1) Line segment AD has length 6. (2) x = 36
PREP07 Test 1	The number of stamps that Kaye and Alberto had were in the ratio 5 : 3, respectively.After Kaye gave Alberto 10 of her stamps, the ratio of the number Kaye had to the number Alberto had was 7 : 5. As a result of this gift, Kaye had how many more stamps than Alberto?
PREP07 Test 1	The proliferation of so-called cybersquatters, people who register the Internet domain names of high-profile companies in hopes of reselling the rights to those names for a profit, led to passing the Anti-Cybersquatting Consumer Protection Act in 1999, allowing companies to seek up to $100,000 in damages against those who register domain names with the sole intent of selling them later.
OG12 OG15 PREP07 Test 1	Excavation of the ancient city of Kourion on the island of Cyprus revealed a pattern of debris and collapsed buildings typical of towns devastated by earthquakes. Archaeologists have hypothesized that the destruction was due to a major earthquake known to have occurred near the island in AD 365.Which of the following, if true, most strongly supports the archaeologists' hypothesis?
PREP07 Test 1	Is the integer x divisible by 6 ? (1) x + 3 is divisible by 3.(2) x + 3 is an odd number.
PREP07 Test 1	The perimeters of square region S and rectangular region R are equal. If the sides of R are in the ratio 2 : 3, what is the ratio of the area of region R to the area of region S ?
PREP07 Test 1	It is unclear whether chimpanzees are unique among nonhuman species in their ability to learn behaviors from one another, or if, when other animals are studied in as much depth, similar patterns would be found.