#### 题目列表

A survey conducted by the department of motor vehicles on a sample of 200 car owners revealed that 15 percent of the sample had an expired driver's license, 10 percent had one or more outstanding parking tickets, and 78 percent had neither an expired driver's license nor any outstanding parking tickets. How many car owners in the sample had both an expired driver's license and one or more outstanding parking tickets?
$\frac{2y-5}{6}$ - $\frac{y-7}{3}$=
78, 82, 73, 81, 95, 92, 86, 90, 92

The 9 numbers listed are the highest temperatures, in degrees Fahrenheit, in a certain city on 9 consecutive days. The relationship between temperature in degrees Fahrenheit F and temperature in degrees Celsius C is given by the formula $C=\frac{5}{9}(F-32)$. What is the median of the 9 temperatures in degrees Celsius?

_____℃

From 1995 to 2001, approximately what was the percent increase in the worldwide coffee bean production?

If Brazil's coffee bean production in 1997 was 2/3 of its production in 2001, then Brazil's 1997 production was approximately what percent of the worldwide coffee bean production in 1997?

In 1991 Vietnam produced 1.5 percent of the worldwide coffee bean production. If the worldwide coffee bean production in 1991 was 15 percent greater than the worldwide coffee bean production in 1995, which of the following is closest to the amount of coffee beans produced by Vietnam in 1991, in millions of kilograms?
Let n be an integer greater than 3. If the remainder is 1 when n is divided by 3, then $n^{2} + n - 2$ must be a multiple of what two-digit integer?

A= (2, 4, 5, 7}

B= {1, 2, 3, 5}

Number x is to be randomly selected from set A, and number y is to be randomly selected from set B. What is the probability that x + y will be greater than 8?
Miguel drove a distance of 150 miles nonstop from his house to his brother's house. Miguel drove the first half of the distance at an average speed of 30 miles per hour, and he drove the second half of the distance at an average speed of 50 miles per hour. Which of the following statements must be true?

Indicate all such statements.
Last year, the price of commodity X was 23 percent less at the end of September than at the beginning of the year, and the price of commodity X was 23 percent greater at the end of the year than at the end of September.

#### Quantity A

The price of commodity X at the beginning of last year

#### Quantity B

The price of commodity X at the end of last year

In the figure, the coordinates of point P are (a, b) and ab ≠ 0.

|a+b|

#### Quantity B

|a-b|

In a distribution of data, x and y are data values with frequencies n and p, respectively, where n and p are positive nonzero integers, and n = p.

#### Quantity A

$\frac{nx+py}{n+p}$

#### Quantity B

$\frac{x+y}{2}$

RS

#### Quantity B

ST

Integer n is a multiple of 6.

#### Quantity A

The remainder when 26n is divided by 4

2

#### Quantity A

$x^{2}$+1

#### Quantity B

x+ $\frac{7}{8}$

A homeowner wants to pour concrete for a new patio and walkway according to the layout shown above. If the concrete is to be $\frac{1}{3}$ foot thick, how many cubic feet of concrete will be needed to form the patio and walkway?
For a class of more than 100 students, a teacher has calculated the grades of 100 students, and 22 of those grades were A's. If all of the students whose grades remain to be calculated will receive A's and a total of 25 percent of the entire class will receive A's, then how many students' grades remain to be calculated?
In the xy-plane, the graph of which of the following equations does NOT intersect the y-axis?
If a triangle and a square have exactly n points in common, which of the following CANNOT be the value of n?
m is an integer and 4 is a factor of 5m - 9. Which of the following must be an odd integer?

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