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$$P$$ and $$Q$$ are regular polygons with $$n$$ sides and $$n+1$$ sides, respectively.

Quantity A

The median of the $$2n+1$$ measures of the interior angles of $$P$$ and $$Q$$

Quantity B

$$(\frac{n-1}{n+1})180°$$


$$x=(a+b)^2$$

$$y=(a-b)^2$$

$$z=a^2+b^2$$

If $$a < 0$$ and $$b > 0$$, which of the following must be true?
Line l passes through point (3, 1) and (6, 4). Line m is parallel to line l and has an x-intercept of -2.

Quantity A

The y-intercept of line m

Quantity B

The y-intercept of line l


The standard deviation of $$x$$, $$y$$, and $$z$$ is $$d$$.

Quantity A

The standard deviation of $$x+1$$, $$y+1$$, and $$z+1$$

Quantity B

$$d+1$$


If $$k$$ is an integer greater than 3, then $$\frac{k!}{(k-3)!}$$=
What percent of all the integers between 1 and 2,000, inclusive, are squares of an integer?


In the xy-plane shown, the x-axis represents an east-west road, the y -axis represents a north-south road, and the origin represents the intersection of the two roads. Point A and point B represent the centers of Town A and Town B, respectively, and the center of Town A is 5 kilometers north of the intersection. If the line through the origin and point B has slope $$\frac{3}{4}$$, which of the following is closest to the distance, in kilometers, between the centers of Town A and Town B?


PQRS is a parallelogram.

Quantity A

The area of the shaded triangular region

Quantity B

The sum of the areas of the two unshaded triangular regions


Integer x is the least of three consecutive integers x, y, and z. What is the sum of y and z in terms of x?
$$a_1, a_2, a_3,...............a_n,....................$$

The sequence shown is defined by $$a_{1}=10$$, $$a_{2}=100$$, and $$a_{n+1}=(a_{n})(a_{n-1})$$ for each positive integer $$n$$ greater than $$1$$. What is the least value of $$n$$ for which $$a_{n}$$ has at least 100 digits?
The effect of the distant past on an individual's financial decisions _______________ much more slowly than the authors of the study had expected, with the impact of events early in life persisting decades into the future.
The society of the ancient Moche of northern Peru was ____________ one: it was ruled by local lord who were overseen by an elite composed of administrative and religious authorities.
$$n$$ is an integer greater than 1,000.

Quantity A

The number of prime numbers that are greater than n and less than $$n+15$$

Quantity B

6


$$\sqrt{y^2}=8$$

Quantity A

$$3^{2y}$$

Quantity B

$$3^{-2y}$$


$$c < 0$$ and $$d > 0$$

Quantity A

$$|\frac{c}{d}|$$

Quantity B

$$(\frac{c}{d})^2$$


If $$4y+6 \lt -18$$, which of the following is a possible value of $$y$$?
A certain flat plot of land is in the shape of a circle. The plot consists of a circular flower garden surrounded by a grassy lawn. The total area of the plot is 113.1 square feet, and the area of the grassy lawn is 74.6 square feet. Approximately what is the diameter, in feet, of the flower garden?
Which of the following generalizations most directly underlies the author's central point?

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