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If r=$$s^{2}$$, s=$$t^{3}$$, and t=$$u^{4}$$, what is r in terms of u?
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Yesterday a certain merchant had $1,285.00 in total sales. If 1/2 of the total sales were from the sale of merchandise that had been reduced by 50 percent, what would have been the total sales yesterday if all of the merchandise had been sold at full price?
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In the xy-plane, a triangle has vertices (0, 0), (k, 0) and (k, -4k), where k>0. If the area of the region enclosed by the triangle is 32, what is the value of k?
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For each of the years 1997 through 2000*, the graph shows the number of towels imported to Japan from China, and the total number of towels imported to Japan from all countries, including China.
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In 1998, how many of the imported towels were not imported from China?
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If the average (arithmetic mean) number of towels imported from China per month was the same for the last 3 months of 2000 as it was for the first 9 months of 2000, approximately how many million dozen towels were imported from China during the 12 months of 2000?
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In 1999, the ratio of the number of towels imported from China to the total number of towels imported from countries other than China was closets to which of the following?
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A list consists of 10 positive integers. The sum of the 10 integers is 101. If no integer appears more than twice in the list, what is the greatest possible integer that can appear in the list?
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For the frequency distribution of the variable x shown in the table above, what is the median value of x?
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It costs d dollars to buy t thumbtacks. At this rate, what is the cost of t+2,500 thumbtacks, in dollars?
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For a group of 9 steel beams stored together, the average (arithmetic mean) length of the beams is 7.2 meters and the median length is 8.4 meters. Two additional steel beams-one that is longer than all 9 beams and one that is shorter than all 9 beams-will be stored with the 9 beams. For the combined group of 11 steel beams, the average length is m meters and the median length is d meters. Which of the following statements must be true?
Indicate all such statements.
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Five different families received tax bills at the beginning of the year. Later, the four lowest tax bills were each reduced by $200 while the highest tax bill remained the same.
Quantity A:The standard deviation of the original five tax bills
Quantity B:The standard deviation of the resulting five tax bills after the four lowest tax bills were reduced
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The average (arithmetic mean) of m and n is 1 more than k
Quantity A:m+n
Quantity B:2k+1
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Quantity A：The perimeter of quadrilateral RSTW shown in the xy-plane
Quantity B：34
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x-y=1
Quantity A:$$x^{2}$$ - $$y^{2}$$
Quantity B:0
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a < 0
The operation △ is defined by $$n^{△}$$=$$(n-1)^{2}$$ for all numbers n.
Quantity A:$$\frac{(a+1)^{△}}{a^{2}}$$
Quantity B:1
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r is a positive integer, k=2r+1, and h=5k-3
Quantity A:The units digit of h
Quantity B:2
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a > 0
x≠0
Quantity A:$$ax^{4}$$
Quantity B:$$(ax)^{4}$$
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In a survey, employees who want to switch jobs were asked what issues were most important in choosing another job. Half of those surveyed said "salary" and 35% said "location". If 32 percent of those surveyed said both "salary" and "location", what percent said either "salary" or "location" but not both?
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