题目列表

For the 5 vehicle types and 6 vehicle colors, what is the average (arithmetic mean) number of vehicles per type per color, rounded to the nearest whole number?
Two numbers are to be selected at random and without replacement from the set {1, 3, 5, 7, 9, 11}. What is the probability that the product of the two selected numbers will be greater than 50?

If an object is traveling at a constant rate of d miles per t minutes, how many miles will the object travel in 1 hour?
y=ax+b, where a < 0, and b = 0

y=cx+d, where c=0, and d > 0

Which of the following best represents the graphs of the equations shown?

In the xy-coordinate plane, the point (a, b), not shown, lies below the x-axis and to the left of the y-axis, and a=2b.

a

Quantity B

b

On a certain map, 1 centimeter represents 5 kilometers. On the map, region X has an area of 6.4 square centimeters.

Quantity A

The actual area of region X

Quantity B

150 square kilometers

W X Y Z is a square and XV > VZ.

k

45

Quantity A

$\frac{r}{t}$

Quantity B

$\frac{s}{q}$

x, y, and z are negative numbers.

x+y+z

Quantity B

$\frac{1}{x+y+z}$

At the end of each year, a certain company reports the percent change in that year's annual sales as compared to the previous year's. For two consecutive years, the company reported a 3 percent increase and a 6 percent increase, respectively, in annual sales. What was the percent increase in annual sales over the two-year period?
1 foot=12 inches

1 yard=3 feet

1 mile=5,280 feet

Approximately how many cubic yards of asphalt are needed to cover a level road that is $\frac{1}{2}$ mile long and 24 feet wide with a layer of asphalt that is 4 inches thick?
If $\frac{3}{\frac{2}{x}+1}$=z, which of the following is equal to $\frac{z}{x}$?
Which of the following is equal to $\frac{1}{5}(30^{7})$?
In the xy-plane, line k has a positive slope and intersects the line y=4-x at a point with x-coordinate 3. Which of the following values could be the y-intercept of k?

Indicate all such values.
Energy usage for ventilation is included in the "other" category. Annual commercial energy usage for ventilation is 27 percent of annual commercial energy usage in the "other" category. Approximately what percent of all annual commercial energy usage is for ventilation?
If the total amount residential energy usage for water heating and refrigeration combined is r energy units, then the total annual residential energy usage for the remaining six categories combined is how many energy units?
Based on the information give, which of the following statements must be true?

Indicate all such statements.
In a poll of 200 people who answered either yes or no to each of two questions, 170 people answered yes to the first question and 10 people answered yes to the second question. Which of the following could be the number of people polled who answered no to both questions?

Indicate all such numbers.
Citing the corruption and intrigue that characterized politics in the city, my colleague ____________ the newspaper's trove of journalism prizes, declaring that finding exciting stories in the city must be effortless.
The commission's report is free of bureaucratic jargon and, for a document that must have been written by multiple authors, it is remarkably (i)____________ in style. In that respect, the document is an improbable literary triumph; its analysis and recommendations, however, are (ii)____________.

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