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$$a_{1}$$, $$a_{2}$$, $$a_{3}$$, ......, $$a_{n}$$......

In the sequence shown, $$a_{1}$$=6 and for each integer n greater than 1, $$a_{n}$$ is defined by

$$a_{n}$$=

2+$$a_{n-1}$$ if n is even

-8+$$a_{n-1}$$ if n is odd

Quantity A

$$a_{7}$$

Quantity B

-12




-1 < x < 0 < y < z < 1

Quantity A

The median of x, y and z

Quantity B

The median of $$x^{2}$$, $$y^{2}$$, and $$z^{2}$$




A college student purchased textbooks in three subjects-biology, calculus, and economics. The price of the biology textbook was 25 percent less than the price of the calculus textbook and 5 percent greater than the price of the economics textbook. The price of the calculus textbook was what percent greater than the price of the economics textbook?
A certain rectangular painting is 1.5 feet high and 3 times as wide as it is high. The painting is to be framed by a wood frame that is 3 inches wide, as shown in the figure.



Which of the following is closest to the minimum number of feet of 3-inch-wide wood framing that will be needed to frame the painting? (1 foot = 12 inches)
The area of rectangular region R is 50 percent greater than the area of rectangular region S. If the length of R is 25 percent greater than the length of S, then the width of R is what percent greater than the width of S?
If $$y^{-1}$$=$$x^{3}$$ and $$w^{-1}$$=$$y^{3}$$, which of the following is an expression for w in terms of x?
The average (arithmetic mean) of a set of n test scores is 70. If a new score of 90 is added to the set, the average of the set of scores will be 72. What is the value of n?
A dealer's gross profit on the sale of a car is defined as the selling price of the car minus its cost to the dealer. A car dealer sold $$n$$ cars for $$s$$ dollars each. If the dealer's total gross profit was $$p$ dollars, what was the dealer's average (arithmetic mean) cost per car, in dollars?


The figure above shows two circles with centers O and P. The measure of angle AOB is 60°, and the measure of angle APB is 120°. What is the ratio of the radius OA to the radius PA?
Issues associated with intermittent availability of wind and sunlight as forms of renewable energy are not ____________ as shown by recent advances in energy conversion and storage.
Biologists traditionally thought that restricted gene flow was ____________ the development of adaptations in a population, but empirical evidence shows that adaptation can be maintained despite very high levels of gene flow.
Confidence in the nation's finances, barely nailed together by international financial institutions a few weeks ago, is still such a (i)____________ structure that the slightest disturbance could set it (ii)____________.
Which of the following statements is NOT supported by the passage?
The author of the passage implies that criticism of An Evening Walk
The primary purpose of the passage is to
The author of the passage suggests which of the following regarding Bethune's political activism?
The passage suggests that Bethune eventually came to conclude which of the following regarding “individual behavior”?
The recognition "that inequality was deeply rooted in American institutions" led Bethune to conclude which of the following?
This book indulges in a number of convenient ____________, including its dubious timeline and its veneer of collective authorship.
With Duncan's ambitious study,Chesnutt appears finally to have outgrown the ____________ treatment he once received from literary historians and critics for whom he typically served as a merely transitional figure in the African American tradition.

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