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题目： A rabbit on a controlled diet is fed daily 300 grams of a mixture of two foods, food X and food Y. Food X contains 10 percent protein and food Y contains 15 percent protein. If the rabbit's diet provides exactly 38 grams of protein daily, how many grams of food X are in the mixture?

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题目： To be eligible for retirement benefits at the Omega Corporation, the sum of an employee's age, in years, and the number of years of employment must be at least 70. If x, where x < 70, is a certain employee's age when hired and y is the minimum number of years of employment required for the employee to be eligible for retirement benefits, which of the following equations represents the relationship between x and y ?

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题目： If the volume of a small container is 14,520 cubic millimeters, what is the volume of the container in cubic centimeters? (1 millimeter = 0.1 centimeter)

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题目： Advertisement: Today's customers expect high quality. Every advance in the quality of manufactured products raises customer expectations. The company that is satisfied with the current quality of its products will soon find that its customers are not. At MegaCorp, meeting or exceeding customer expectations is our goal.Which of the following must be true on the basis of the statements in the advertisement above?

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题目： If n is an integer and $${x}^{n}-{x}^{-n}={0}$$, what is the value of x ?(1) x is an integer.(2) $$n \neq 0$$

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题目： The area of square S is equal to the area of rectangle R. What is the perimeter of square S?(1)The length of one of the sides of rectangle R is twice the length of a side of square S.(2)The area of rectangle R is 36.

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题目： Is |x|+|x-1| = 1 ?(1)x≥0(2)x≤1

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题目： A photographer will arrange 6 people of 6 different heights for photograph by placing them in two rows of three so that each person in the first row is standing in front of someone in the second row. The heights of the people within each row must increase from left to right, and each person in the second row must be taller than the person standing in front of him or her. How many such arrangements of the 6 people are possible?

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题目：

The passage cites all of the following as differences between firms using build strategies and firms using harvest strategies EXCEPT

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题目：

As an element in the argument presented by the author of the passage, the reference to Blue Clark's study of the Lone Wolf case serves primarily to

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题目： If k is an integer, is k prime? Statement #1: k has fewer than four factorsStatement #2: 150 ≤ k ≤ 200

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题目： How many paintings does Jill own?(1) If Jill sells 5 of her paintings then she will own fewer than 24 paintings. (2) If Jill buys 5 more paintings then she will own at least 32 paintings.

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题目： Is x > y?(1) x - y > 3(2) x + y > 3

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题目： Let ABC denote the digits of a three-digit number. Is this number divisible by 7?Statement #1: The two-digit number BC is divisible by 7Statement #2: A + B + C = S, and S is divisible by 7

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题目： A certain aquarium holds three types of fish: angelfish, swordtails and guppies. What is the ratio of the number of guppies to the number of angelfish?(1) There are 200 fish in the aquarium(2) 45 percent of the fish are swordtails, and there are twice as many swordtails as there are angelfish.