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题目内容
Of the 200 integers in a set, the 65th percentile is 20.

Quantity A

The arithmetic mean of the integers in the set

Quantity B

20
One of the solutions of the equation $$x^{2}+bx+c=0$$ is -3.

Quantity A

$$3b$$

Quantity B

$$c+9$$


In the figure above, all points below the line l satisfy which of the following inequalities?
In triangle ABC, AB=9 and BC=12. Which of the following values could be the perimeter of triangle ABC?

Indicate all such values.


In the figure shown, AB is parallel to EC and the length of ED is $$\frac{1}{3}$$ of the length of AD.

Quantity A

The ratio of the area of triangle ECD to the area of quadrilateral ABCE

Quantity B

$$\frac{1}{8}$$


In the figure, all of the connecting line segments meet at right angles and x > 10.

Quantity A

The area of the enclosed region

Quantity B

1,100


ABDE is a rectangle and BCD is a semicircle.

Quantity A

The total area of the enclosed region ABCDE

Quantity B

36
Set S consists of 10 consecutive even integers. What is the range of the numbers in set S?
There are currently 100,000 bacteria in a certain culture. The number of bacteria in the culture doubles every 2 hours and will be equal 100,000,000 in N hours.

Quantity A

N

Quantity B

48


The tables show the prices of the desserts and beverages on Diner X's late-night snack menu. How many different combinations of 1 dessert and 1 beverage can be purchased at Diner X if the total price for the 2 items must be less than or equal to $4.40?
Each of five data sets consists of 10 values, all of which are integers. The distributions of the values in the five data sets are shown. The values in which distribution have the greatest standard deviation?


To the nearest billion dollars, what was the median of the amounts of advertising expenses in the five television markets?


What was the range of the amounts of advertising expenses in the five television markets?

Give your answer to the nearest billion dollars.

$_____billion


The amount of advertising expenses in the national cable television market was approximately what percent of the total amount of advertising expenses?
The sequence shown is defined by $$Q_1=6$$ and $$Q_{n+1}=\frac{1}{3}Q_n$$, for each positive integer n.

$$Q_1, Q_2, Q_3, ......, Q_n,.....$$

Quantity A

$$Q_{11}$$

Quantity B

$$(3^{17})Q_{28}$$
x+y ≠ 0

Quantity A

|x+y|

Quantity B

-|-x-y|
Events R and T are not mutually exclusive, P(R)=0.2, and P(T)=0.3.

Quantity A

P(R or T)

Quantity B

0.5
An empty water storage tank has a capacity of 17,034 liters. A pump, working at a constant rate, delivered 100 liters of water every 3.2 minutes into the empty tank for x minutes, where x is positive and less than 480.

Quantity A

The number of liters of capacity in the tank that were not filled with water

Quantity B

17,034-32x
The positive number y is 20 percent greater than x, and z is 18 percent less than y.

Quantity A

x

Quantity B

z

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