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which of the following must be equal to $$\mathbf{x}^{6}\mathbf{x}^{4}$$
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PREP07 Test 1
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If the product of the three digits of the positive integer k is 14, what is the value of k?(1)k is an odd integer.(2)k < 700
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If m = $$\frac{9}{25}$$,w = $$\frac{15}{32}$$, and m + w + c = 1, which of the following gives the values of m, w, and c in increasing order?
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PREP07 Test 1
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Three friends rented a car for a week and divided the cost equally. What was the total cost of renting the car?(1)If the three friends had kept the car for a second week, they could have obtained the two-week rate, which was 1.5 times the cost of a one-week rental.(2)If a fourth friend had joined the three friends and the cost had been divided equally among the four friends, the cost to each of the original three would have been reduced by $15.
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PREP07 Test 1
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If x is a positive integer, what is the least common multiple of x, 6, and 9 ?(1)The least common multiple of x and 6 is 30.(2)The least common multiple of x and 9 is 45.
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Does x + y = 5?(1)4x + y = 17(2)x +4y =8
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PREP08 Test 2
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Given that employees of the XYZ Company could, in theory, do their work at home, the company developed a radical plan to increase efficiency: eliminate office-space expenditures by having employees work at home. To evaluate this plan, XYZ's managers asked volunteers from the company's staff to try the arrangement for six months. There were several volunteers; significantly, their productivity during this period was as high as or higher than before.Which of the following, if true, would argue most strongly against deciding, on the basis of the trial results, to implement the company's plan?
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In the xy-plane, at what two points does the graph of y = (x + a)(x + b) intersect the x-axis?(1)a + b = -1(2)The graph intersects the y-axis at (0, -6).
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PREP07 Test 1
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For which of the following functions is f(a + b)=f(a) + f(b) for all positive numbers a and b ?
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PREP07 Test 1
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When $$\frac{2}{3}$$ of the garments in a shipment were inspected, 18 of the garments passed inspection and the remaining 2 garments failed How many of the uninspected garments must pass inspection in order that 90 percent of the garments in the shipment pass?
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PREP07 Test 1
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For the students in class A, the range of their heights is r centimeters and the greatest height is g centimeters. For the students in class B, the range of their heights is s centimeters and the greatest height is h centimeters. Is the least height of the students in class A greater than the least height of the students in class B ?(1)$$r\lt s$$(2)$$ g>h $$
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PREP07 Test 1
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Peter and Tom shared the driving on a certain trip. If Peter and Tom both drove for the same amount of time, but Peter only drove $$\frac{2}{5}$$ of the total distance, what was the ratio of Peter's average speed to Tom's average speed?
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PREP07 Test 1
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Jill, who lives in City C, plans to visit 3 different cities, M, L, and S. She plans to visit each city exactly once and return to City C after the 3 visits. She can visit the cities in any order. In how many different orders can she visit the 3 cities?
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PREP07 Test 1
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Is p + pz = p?(1)P = 0(2)z = 0
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PREP07 Test 1
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If a certain charity collected a total of 360 books, videos, and board games, how many videos did the charity collect?(1)The number of books that the charity collected was 40 percent of the total number of books, videos, and board games that the charity collected.(2)The number of books that the charity collected was $${66}\cdot\frac{2}{3}$$ percent of the total number of videos and board games that charity collected.
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PREP08 Test 1
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The author suggests that which of following is true of the "alternative compound" mentioned in the highlighted text?
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PREP07 Test 2 PREP08 Test 1
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The author cites which of the following as a disadvantage of methiocarb?
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If f is the function defined by f(x) = 2x for $$x \geq 0 $$ and $${f}({x})={x}^{2}$$ for $$x < 0$$, what is the value of f(c) ?(1) $$\mid c\mid= 2$$(2) $$c < 0$$
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At a certain carpet factory, if carpeting is moving continuously through a dryer at a constant rate of 21,600 square feet per hour, how many seconds does it take for an area of 1 square foot of carpeting to move through the dryer?
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The charge for a single room at Hotel P is 25 percent less than the charge for a single room at Hotel R and 10 percent less than the charge for a single room at Hotel G. The charge for a single room at Hotel R is what percent greater than the charge for a single room at Hotel G ?
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