#### 题目列表

The number of companies surveyed that plan to trim advertising and marketing is what percent less than the number of companies surveyed that plan to consolidate debt?

Triangles ABC and AED are congruent, where BC=DE. If y=63, what is the value of x?

x=_____ The first term of an infinite sequence is 4, and each term after the first term is 7 greater than the preceding term. What is the 64th term of the sequence?
A wall in a museum is covered by 60 flat rectangular panels. If the dimensions of each panel are 4 feet by 7.5 feet, what is the total area, in square yards, of the panels? (Note: 1 yard=3 feet.)
A research report states that the average (arithmetic mean) of 120 measurements was 72.5, the greatest of the 120 measurements was 92.8, and the range of the 120 measurements was 51.6.

The information given above is sufficient to determine the value of which of the following statistics?

Indicate all such statistics.
Last year and this year, there were both men and women in a certain choir. This year there are x fewer men and x fewer women in the choir than there were last year, where x>0, and there are fewer men than women in the choir.

#### Quantity A

The percent decrease from last year to this year in the number of men in the choir

#### Quantity B

The percent decrease from last year to this year in the number of women in the choir

s=-t

#### Quantity A

$-s^{3}$

#### Quantity B

$ts^{2}$

The solid shown consists of five cubes, each with a volume of 27, that are joined so that four pairs of faces coincide.

#### Quantity A

The surface area of the solid

#### Quantity B

198 For all numbers x, the function h(x) is defined as 1 more than the greatest integer less than or equal to x.

h(1.5)

#### Quantity B

h(1.75)

△PQR is isosceles.

#### Quantity A

The measure of angle P

#### Quantity B

The measure of angle R $\sqrt{x^{2}}$=9

#### Quantity A

$2^{x}$

#### Quantity B

$2^{-x}$

A total of $24,000 was invested for one month in a new money market account that paid simple annual interest at the rate of r percent. If the investment earned$180 in interest for the month, what is the value of r?
A certain list has 5 entries and each entries is an integer between 55 and 70, inclusive. The median of the 5 entries is 60. If m is the average (arithmetic mean) of the 5 entries, which of the following must be true?
In order to determine the scores for the players, each word listed with 3 or 4 letters was given 1 point, each word listed with 5 or 6 letters was given 2 points, and each word listed with 7 letters was given 3 points. The score for each player was the sum of the points given for the words that the player listed. What was the absolute value of the difference between the score for Player A and the Score for Player B?
Of the 3-letter words listed by Player A or Player B, 4 words were listed by both players. How many of the 3-letter words listed were listed by only one of the two players?
What is the average (arithmetic mean) number of letters per word in the words listed by Player B?
A certain museum contains a total of 1,500 works of art, of which 800 are paintings. Of the twentieth-century works of art in the museum, 40 percent are paintings. Of the works of art that are not paintings, 490 are not twentieth-century works of art.

How many twentieth-century works of art does the museum contain?
1+2+3+......+n=$\frac{n(n+1)}{2}$

For each integer n greater than 1, the sum of the first n positive integers is given by the formula shown.

If the average (arithmetic mean) of the first n positive integers is k, what is the sum of the first n positive integers in terms of k?

The figure above represents the floor plan of a basement in which all the walls meet at right angles. The measurements shown in the floor plan, including the two sides of length x, are in centimeters. The floor plan is drawn using a scale of 1 centimeter to 1.5 meters. If the perimeter of the floor is 39.4 centimeters, approximately what is the area, in square meters, of the basement floor? A box contains 6 cards, numbered 1, 2, 3, 4, 5, and 6, respectively. If one of the 6 cards is to be selected at random, what is the probability that the number on the card selected will be greater than 3 or even or both?
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