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A college student purchased textbooks in three subjects-biology, calculus, and economics. The price of the biology textbook was 25 percent less than the price of the calculus textbook and 5 percent greater than the price of the economics textbook. The price of the calculus textbook was what percent greater than the price of the economics textbook?
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A certain rectangular painting is 1.5 feet high and 3 times as wide as it is high. The painting is to be framed by a wood frame that is 3 inches wide, as shown in the figure.
Which of the following is closest to the minimum number of feet of 3-inch-wide wood framing that will be needed to frame the painting? (1 foot = 12 inches)
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The area of rectangular region R is 50 percent greater than the area of rectangular region S. If the length of R is 25 percent greater than the length of S, then the width of R is what percent greater than the width of S?
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If $$y^{-1}$$=$$x^{3}$$ and $$w^{-1}$$=$$y^{3}$$, which of the following is an expression for w in terms of x?
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The average (arithmetic mean) of a set of n test scores is 70. If a new score of 90 is added to the set, the average of the set of scores will be 72. What is the value of n?
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A dealer's gross profit on the sale of a car is defined as the selling price of the car minus its cost to the dealer. A car dealer sold $$n$$ cars for $$s$$ dollars each. If the dealer's total gross profit was $$p$$ dollars, what was the dealer's average (arithmetic mean) cost per car, in dollars?
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The figure above shows two circles with centers O and P. The measure of angle AOB is 60°, and the measure of angle APB is 120°. What is the ratio of the radius OA to the radius PA?
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Issues associated with intermittent availability of wind and sunlight as forms of renewable energy are not ____________ as shown by recent advances in energy conversion and storage.
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Biologists traditionally thought that restricted gene flow was ____________ the development of adaptations in a population, but empirical evidence shows that adaptation can be maintained despite very high levels of gene flow.
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Confidence in the nation's finances, barely nailed together by international financial institutions a few weeks ago, is still such a (i)____________ structure that the slightest disturbance could set it (ii)____________.
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Which of the following statements is NOT supported by the passage?
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The author of the passage implies that criticism of An Evening Walk
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The primary purpose of the passage is to
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The author of the passage suggests which of the following regarding Bethune's political activism?
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The passage suggests that Bethune eventually came to conclude which of the following regarding “individual behavior”?
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The recognition "that inequality was deeply rooted in American institutions" led Bethune to conclude which of the following?
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This book indulges in a number of convenient ____________, including its dubious timeline and its veneer of collective authorship.
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With Duncan's ambitious study，Chesnutt appears finally to have outgrown the ____________ treatment he once received from literary historians and critics for whom he typically served as a merely transitional figure in the African American tradition.
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The process known as amodal completion may seem ____________ to us, but it has turned out to be one of those things that is horrendously difficult to program computers to do.
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The conclusion of the argument is properly drawn if which of the following is assumed?
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