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OG18 OG19 OG20 OG2022
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[line:16:enable]The discovery of which of the following would call into question the conclusion mentioned in line 16 ?
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OG18-数学分册
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 The chart above shows year-end values for Darnella's investments. For just the stocks, what was the increase in value from year-end 2000 to year-end 2003?
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OG18-数学分册
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When a subscription to a new magazine was purchased for m months, the publisher offered a discount of 75 percent off the regular monthly price of the magazine. If the total value of the discount was equivalent to buying the magazine at its regular monthly price for 27 months, what was the value of m ?
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OG18-数学分册
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In a field day at school, each child who competed in n events and scored a total of p points was given an overall score of $$\frac{p}{n} + n. $$Andrew competed in 1 event and scored 9 points. Jason competed in 3 events and scored 5,6, and 7 points, respectively . What was the ratio of Andrew's overall score to Jason's overall score?
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OG18-数学分册
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$${2 + 2\sqrt{6}}\over{2} $$=
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OG18-数学分册
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What is the value of $$x^{2}yz - xyz^{2}$$, if x = -2, y = 1, and z = 3?
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OG18-数学分册
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A certain bridge is 4,024 feet long. Approximately how many minutes does it take to cross this bridge at a constant speed of 20 miles per hour? (1 mile = 5,280 feet)
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OG18-数学分册
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A certain fishing boat is chartered by 6 people who are to contribute equally to the total charter cost of $480. If each person contributes equally to a $150 down payment, how much of the charter cost will each person still owe?
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OG18-数学分册
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 In the figure above, if F is a point on the line that bisects angle ACD and the measure of angle DCF is x°, which of the following is true of x?
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OG18-数学分册
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On the scale drawing of a certain house plan, if 1 centimeter represents x meters, what is the value of x?(1) A rectangular room that has a floor area of 12 square meters is represented by a region of area 48 square centimeters.(2) The 15-meter length of the house is represented by a segment 30 centimeters long.
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OG18-数学分册
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What is the ratio of c to d?(1) The ratio of 3c to 3d is 3 to 4.(2) The ratio of c +3 to d + 3 is 4 to 5
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OG18-数学分册
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 A framed picture is shown above. The frame, shown shaded, is 6 inches wide and forms a border of uniform width around the picture. What are the dimensions of the viewable portion of the picture?(1) The area of the shaded region is 24 square inches. (2) The frame is 8 inches tall.
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OG18-数学分册
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How many hours would it take Pump A and Pump B working together, each at its own constant rate, to empty a tank that was initially full?(1) Working alone at its constant rate, Pump A would empty the full tank in 4 hours 20 minutes.(2) Working alone, Pump B would empty the full tank at its constant rate of 72 liters per minute.
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OG18-数学分册
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Rita's monthly salary is $$\frac{2}{3}$$ Juanita's monthly salary. What is their combined monthly salary?(1) Rita's monthly salary is $4,000.(2) Either Rita's monthly salary or Juanita's monthly salary is $6,000.
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OG18-数学分册
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If x and y are positive, is xy > x +y?(1) x < y(2) 2 < x
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OG18-数学分册
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What is the tenths digit of the number d when it is written as a decimal?(1) $$d = \frac{54}{25}$$(2) 1,000d = 2,160
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OG18-数学分册
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A retailer purchased a television set for x percent less than its list price, and then sold it for y percent less than its list price. What was the list price of the television set?(1) x = 15(2) x - y = 5
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OG18-数学分册
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A candle company determines that, for a certain specialty candle, the supply function is p = $$m_{1}x + b_{1} $$and the demand function is p = $$m_{2}x + b_{2} $$, where p is the price of each candle, x is the number of candles supplied or demanded, and $$m_{1}, m_{2}, b_{1}, and b_{2}$$ are constants. At what value of x do the graphs of the supply function and demand function intersect?(1) $$m_{1} = -m _{2} = 0.005$$ (2) $$b_{2} - b_{1} =6$$
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OG18-数学分册
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In a certain factory, hours worked by each employee in excess of 40 hours per week are overtime hours and are paid for at $$1\frac{1}{2}$$ times the employee's regular hourly pay rate. If an employee worked a total of 42 hours last week, how much was the employee's gross pay for the hours worked last week?(1) The employee's gross pay for overtime hours worked last week was $30.(2) The employee's gross pay for all hours worked last week was $30 more than for the previous week
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OG18-数学分册
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Is k + m < 0?(1) k <0(2) km >0
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