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题目内容
$$x^{3}$$ > $$x^{5}$$

Quantity A

x

Quantity B

$$x^{3}$$


Quantity A

$$(\frac{2^{3}}{3^{2}})^{4}$$

Quantity B

$$(\frac{2^{-3}}{3^{-2}})^{-4}$$


x + 2y = 12 and 2y > 7

Quantity A

x

Quantity B

y


The length of a line segment connecting two points on circle C is 1.

Quantity A

The area of circle C

Quantity B

π


a < 0

b < 0

Quantity A

In the xy -plane, the slope of the line containing the points (a, b) and (0, 2)

Quantity B

In the xy -plane, the slope of the line containing the points (a, b) and (2, 0)




There are n different values of x that satisfy the equation (x-1)(x+5)=-9.

Quantity A

n

Quantity B

1


Quantity A

The standard deviation of the 3 numbers x, x+1, and x+70

Quantity B

The standard deviation of the 3 numbers x+ 10, x+11, and x+80




The average (arithmetic mean) price of 8 used books is $1.55.

Quantity A

The total price of n of the 8 books (n > 0)

Quantity B

($1.55)n






In the figure above, what is the value of x?
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.

Quantity A

|a+b|

Quantity B

|a-b|


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