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OG12 OG15	In the figure above, V represents an observation point at one end of a pool. From V, an object that is actually located on the bottom of the pool at point R appears to be at point S. If VR = 10 feet, what is the distance RS, in feet, between the actual position and the perceived position of the object？
	A recent census revealed the age distribution of the residents of Town Y, shown in the graph, Since the census was performed, no resident has moved into or away from Town Y and there have been no recorded births or deaths.Based on the given information, use the drop-down menus to most accurately complete the following statements.
	(This passage was excerpted from material published in 1993.)Like many other industries, the travel industry is under increasing pressure to expand globally in orderto keep pace with its corporate customers, who have globalized their operations in response to market pressure, competitor actions, and changing supplier relations. But it is difficult for service organizations to globalize. Global expansion through acquisition is usually expensive, and expansion through internal growth is time-consuming and sometimes impossible in markets that are not actively growing. Some service industry companies, in fact, regard these traditional routes to global expansion as inappropriate for service industries because of their special need to preserve local responsiveness through local presence and expertise. One travel agency has eschewed the traditional route altogether. A survivor of the changes that swept the travel industry as a result of the deregulation of the airlines in 1978 — changes that included dramatic growth in the corporate demand for travel services, as well as extensive restructuring and consolidation within the travel industry - this agency adopted a unique structure for globalization. Rather than expand by attempting to develop its own offices abroad, which would require the devel- opment of local travel management expertise sufficient to capture foreign markets, the company solved its globalization dilemma effectively by forging alliances with the best foreign partners it could find. The resulting cooperative alliance of independent agencies now comprises 32 partners spanning 37 countries.
	Linda Kerber argued in the mid-1980's that after the American Revolution (1775-1783), an ideology of "republican motherhood" resulted in a surge of educational opportunities for women in the United States. Kerber maintained that the leaders of the new nation wanted women to be educated in order to raise politically virtuous sons. A virtuous citizenry was considered essential to the success of the country's republican form of government; virtue was to be instilled not only by churches and schools, but by families, where the mother's role was crucial. Thus, according to Kerber, motherhood became pivotal to the fate of the republic, providing justification for an unprecedented attention to female education.Introduction of the republican motherhood thesis dramatically changed historiography. Prior to Kerber's work, educational historians barely mentioned women and girls; Thomas Woody's 1929 work is the notable exception. Examining newspaper advertisements for academies, Woody found that educational opportunities increased for both girls and boys around 1750. Pointing to "An Essay on Woman" (1753) as reflecting a shift in view, Woody also claimed that practical education for females had many advocates before the Revolution. Woody's evidence challenges the notion that the Revolution changed attitudes regarding female education, although it may have accelerated earlier trends. Historians' reliance on Kerber's "republican motherhood" thesis may have obscured the presence of these trends, making it difficult to determine to what extent the Revolution really changed women's lives.
	In the seventeenth-century Florentine textile industry, women were employed primarily in low paying, low-skill jobs. To explain this segregation of labor by gender, economists have relied on the useful theory of human capital. According to this theory, investment in human capital—the acquisition of difficult job-related skills—generally benefits individuals by making them eligible to engage in well-paid occupations. Women's role as child bearers, however, results in interruptions in their participation in the job market (as compared with men's) and thus reduces their opportunities to acquire training for highly skilled work. In addition, the human capital theory explains why there was a high concentration of women workers in certain low-skill jobs, such as weaving, but not in others, such as combing or carding, by positing that because of their primary responsibility in child rearing women took occupations that could be carried out in the home.There were, however, differences in pay scales that cannot be explained by the human capital theory. For example, male construction workers were paid significantly higher wages than female taffeta weavers. The wage difference between these two low-skill occupations stems from the segregation of labor by gender: because a limited number of occupations were open to women, there was a large supply of workers in their fields, and this "overcrowding" resulted in women receiving lower wages and men receiving higher wages.
	Linda Kerber argued in the mid-1980s that after the American Revolution(1775 1783),an ideology of republican 'motherhood" resulted in a surge of educational opportunities for women in the United States. Kerber maintained that the leaders of the new nation wanted women to be educated in order to raise politically virtuous sons. A virtuous citizenry was considered essential to the success of the country's republican form of government; virtue was to be instilled not only by churches and schools, but by families, where the mothers role was crucial. Thus, according to Kerber, motherhood became pivotal to the fate of the republic, providing justification for an unprecedented attention to female education. Introduction of the republican 'motherhood" thesis dramatically changed historiography. Prior to Kerber's work, educational historians barely mentioned women and girls; Thomas Woody's 1929 work is the notable exception. Examining newspaper advertisements for academies, Woody found that educational opportunities increased for both girls and boys around 1750. Pointing to An Essay on Woman(1753 )as reflecting a shift in view, Woody also claimed that practice education for females had many advocates before the Revolution. Woody's evidence challenges the notion that the Revolution changed attitudes regarding female education, although it may have accelerated earlier trends.Historians'′ reliance on Kerber's" republican motherhood" thesis may have obscured the presence of these trends, making it difficult to determine to what extent the Revolution really changed women's lives.
OG15 OG16 OG17	The following appeared as part of a campaign to sell advertising time on a local radio station to local businesses:"The Cumquat Café began advertising on our local radio station this year and was delighted to see its business increase by 10 percent over last year's totals. Their success shows you how you can use radio advertising to make your business more profitable."Discuss how well reasoned you find this argument. In your discussion be sure to analyze the line of reasoning and the use of evidence in the argument. For example, you may need to consider what questionable assumptions underlie the thinking and what alternative explanations or counterexamples might weaken the conclusion. You can also discuss what sort of evidence would strengthen or refute the argument, what changes in the argument would make it more logically sound, and what, if anything, would help you better evaluate its conclusion.
OG15 OG16 OG17	The following appeared in the letters-to-the-editor section of a local newspaper:"Muscle Monthly, a fitness magazine that regularly features pictures of bodybuilders using state-of-the-art exercise machines, frequently sells out, according to the owner of Skyview Newsstand. To help maximize fitness levels in our town's residents, we should, therefore, equip our new community fitness center with such machines."Discuss how well reasoned you find this argument. In your discussion be sure to analyze the line of reasoning and the use of evidence in the argument. For example, you may need to consider what questionable assumptions underlie the thinking and what alternative explanations or counterexamples might weaken the conclusion. You can also discuss what sort of evidence would strengthen or refute the argument, what changes in the argument would make it more logically sound, and what, if anything, would help you better evaluate its conclusion.
	A Web 2.0 symposium is looking to Silicon Valley for some tech developers to talk about the latest disruptions in our technology-based world today. There will be a morning session and an afternoon session. Each session will have 5 developers. To reflect the diverse changing world of programming, the majority of the developers in one of these sessions will be developers who are not web developers. In the other session, at least 4 of the developers will be women. Neither session should have more than two developers from the same company. Morning Mark (male, web developer, Facebook) Jeff (male, web developer, Amazon) Jenny (female, Android developer, Google) Jack (male, Android developer, Amazon) Afternoon Mike (male, web developer, Google) Jessica(female, iOS developer, Facebook) Patricia (female, Android developer, Facebook) Michelle (female, web developer, Amazon)
OG19-数学分册	How many members of a certain legislature voted against the measure to raise their salaries? (1) $$\frac{1}{4}$$of the members of the legislature did not vote on the measure. (2) If 5 additional members of the legislature had voted against the measure, then the fraction of members of the legislature voting against the measure would have been $$\frac{1}{3}$$.
Ready4	If money is invested at r percent interest, compounded annually, the amount of the investment will double in approximately $\frac{70}{r}$ years. If Chris invests $1,000 in a bond that pays 4 percent interest, compounded annually, what will be the approximate total amount of the investment 35 years later?
Ready4	At a large company, the probabilities of success of three distinct new product launches are independently $\frac{1}{4}$ , $\frac{1}{2}$ , and $\frac{5}{8}$ , respectively. What is the probability that exactly two of the launches succeed?
Ready4	Kassi works $h$ hours a day for $d$ days and earns $x$ dollars per hour. If she puts $p$ percent of her earnings into savings, which of the following represents Kassi's earnings after savings?
Ready4	An exam was taken by a group of undergraduate students and graduate students. If the average (arithmetic mean) score for the entire group was 90, was the average score of the undergraduates greater than 95? The average score for the graduate students was less than 85. The group consisted of more graduate students than undergraduate students.
	A certain company currently has how many employees?(1)If 3 additional employees are hired by the company and all of the present employees remain, there will be at least 20 employees in the company.(2)If no additional employees are hired by the company and 3 of the present employees resign, there will be fewer than 15 employees in the company.
OG12 OG15 OG16 OG17	On a company-sponsored cruise, $$\frac2 3$$ of the passengers were company employees and the remaining passengers were their guests. If $$\frac3 4$$ of the company-employee passengers were managers, what was the number of company-employee passengers who were NOT managers?(1)There were 690 passengers on the cruise.(2)There were 230 passengers who were guests of the company employees.
	Professor Vasquez gave a quiz to two classes. Was the range of scores for the first class equal to the range of scores for the second class?(1)In each class, the number of students taking the quiz was 26, and the lowest score in each class was 70.(2)In each class, the average (arithmetic mean) score on the quiz was 85.
	A thoroughly blended biscuit mix includes only flour and baking powder. What is the ratio of the number of grams of baking powder to the number of grams of flour in the mix?(1)Exactly 9.9 grams of flour is contained in 10 grams of the mix.(2)Exactly 0.3 gram of baking powder is contained in 30 grams of the mix.
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.
	A closed cylindrical tank contains 36π cubic feet of water and is filled to half its capacity. When the tank is placed upright on its circular base on level ground, the height of the water in the tank is 4 feet. When the tank is placed on its side on level ground, what is the height, in feet, of the surface of the water above the ground?