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题目内容
A certain train travels 150 miles in h hours at the average rate of m miles per hour.

Quantity A:The number of hours required for the train to travel 320 miles at the average rate of 2m miles per hour

Quantity B:h
x+2y= 12 and 2y >7

Quantity A :x

Quantity B:y

Quantity A

$$(-87)^{8}$$

Quantity B

$$(\frac{1}{87})^{-8}$$
The equation $$ax^{2}$$= $$bx^{2}$$+ 1, where $$a$$ and $$b$$ are constants, has two real solutions.

Quantity A

a

Quantity B

b
R=($$2^{16}$$)($$5^{34}$$)($$N^{50}$$), where N is a positive integer.

Quantity A

$$\sqrt{R}$$

Quantity B

$$\frac{R}{10}$$
In the xy-plane, line k has slope 2 and passes through the point (3, r).

Quantity A

r

Quantity B

3


According to the table, what is the average(arithmetic mean) hourly wage of the employees at Company C?
The discounted price of a certain suit is 20 percent less than the original price of the suit. If the discounted price of the suit plus a sales tax of 5 percent of the discounted price equals $67.20, what was the original price of the suit?
$$(2x+1)^{2}$$-$$(2x-1)^{2}$$=
Which of the following is an equation of a line that does NOT contain any points in the xy-plane for which both coordinates are integers?


The circle shown has an area of 49π and is divided into four sectors all of which have a central angle of the same measure. What is the perimeter of the shaded region?
UNITED STATES POPULATION AND COLLEGE ENROLLMENT BY AGE AND GENDER, 1973 AND 1993
Of the four college enrollment categories shown, how many categories accounted for more than $$\frac{3}{8}$$ of the total Dcollege enrollment in 1973?
By approximately what percent did the total number of students enrolled in college increase from 1973 to 1993?
Which of the following is closest to the number of males who were not enrolled in college in 1993?
Mike, Scott, Jim, Kate, and Pete each have a different number of assignments this month. Pete has fewer assignments than Kate, Kate has more assignments than Mike, Mike has more assignments than Jim, and Jim has more assignments than Scott. Which of the following could be the person who has the median number of assignments this month for the five people listed?

Indicate all such people.
If an integer greater than 100 and less than 1,000 is to be selected at random, what is the probability that the integer selected will be a multiple of 7?
How many integer values of n satisfy the inequality |3-nl ≤ 4?
Greg's weekly salary is $187, which is 15 percent less than Karla's weekly salary. If Karla's weekly salary increases by 10 percent,by what percent must Greg's weekly salary increase in order to equal Karla's new weekly salary?

Give your answer to the nearest tenth of a percent.

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