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$$n$$ is a positive integer

Quantity A

$$\frac{n+2}{n+1}$$ - $$\frac{n+1}{n}$$

Quantity B

0


If $$y=1-\frac{1}{x}$$, where $$x$$ is a nonzero integer, which of the following could be the value of $$y$$?

Indicate all such values.
If k and n are each positive integers between 12 and 30, then $$\frac{5+k}{7+n}$$will be equal to $$\frac{5}{7}$$for how many pairs of (k, n)?
$$k \gt m$$

Quantity A

|$$m$$| - |-$$k$$|

Quantity B

|$$k$$| - |-$$m$$|


What percent of $$\frac{1}{2}$$ is $$\frac{2}{3}$$?
In region A, 17 percent of the acres that are planted with corn are planted with a certain hybrid seed. In region B, which borders region A, 11 percent of the acres that are planted with corn are planted with the same hybrid seed.

Quantity A

Of all the acres planted with corn in region A and region B combined, the percent of acres that are planted with the hybrid seed

Quantity B

14%


A certain charity is conducting a fund-raiser. For the first $9,000 raised by the charity, Company B will contribute $1 for every $3 collected by the charity. For any amount over $9,000 raised by the charity, Company B will contribute $2 for every $5 collected by the charity. How much money must the charity raise in order to reach a total of $68,000, including the contribution from Company B?
x ≠ -2

Quantity A

(x+2)x

Quantity B

(x+2)(x-2)


Which of the following is an odd integer?
A company has assets worth $150,000 and liabilities worth $70,000, giving it an asset-to-liability ratio of approximately 2.1. The company will borrow x dollars, and the amount borrowed will be added to both the assets and the liabilities. If the asset-to-liability ratio is to be greater than 1.2 after the money is borrowed, which of the following could be the value of x?

Indicate all such values.


ABCD is a square, AEFG is a rectangle, and BE=DG.

Quantity A

The area of square ABCD

Quantity B

The area of rectangle AEFG


A bicycle is traveling at a constant rate such that the wheels rotate 72 degrees per 0.1 second. If each wheel of the bicycle has a diameter of 26 inches, how many inches does the bicycle travel in 2 seconds?
$$r \lt s \lt t$$

The average (arithmetic mean) of $$r$$, $$s$$, and $$t$$ is equal to the median of $$r$$, $$s$$, and $$t$$.

Quantity A

$$s-r$$

Quantity B

$$t-s$$


The playing times of the 13 songs on a compact disc were measured. The average (arithmetic mean) playing time of the songs is 3.6 minutes, and the median playing time is 3.4 minutes. Which of the following statements must be true?

Indicateall such statements.
Despite the general ____________ of Roman archaeological studies toward the major cities and their monuments, archaeology has contributed much to a better understanding of rural developments in Roman territory.
Responsibility for the nation's decline rests squarely with a people who take for granted their claims to preeminence but do not ____________ interest in or commitment to actually maintaining it.
Some consider the theorem Emmy Noether first published in 1918 to be as important as Einstein's theory of relativity, since much of today's vanguard research in physics is _____________ Noether's theorem.
The (i) _____________ seen in most of eastern Eurasia is (ii) _____________ on the Mongolian plateau, despite only 200 millimeters of annual precipitation, because evaporation decreases at higher altitudes and latitudes.
The president's cordial greeting may seem to be a small gesture of friendliness, but it is not without ______________ in the heretofore stilted atmosphere of the society's meetings.
The safety features of modern cars have actually had ____________ effect on people's driving: drivers are lulled into a false sense of security by their cars' sophistication and therefore drive less attentively.

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