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In 2014 the price of one share of a certain stock increased by 20 percent from January 1 to February 1 decreased by n percent from February 1 to March 1, and increased by 25 percent from March 1 to April 1. If the price of one share of the stock increased by 5 percent from January 1 to April I in 2014, what is the value of n?
Tatiana played a number of games of chess last month, and each game resulted in a win, draw, or loss. The ratio of the number of wins to the number of draws to the number of losses was 5 to 9 to 3. If Tatiana won 6 more games than she lost, how many games of chess did she play last month?
Wilson sees the ideas that he presents in his new book as being notably _______, but his critics, by contrast, claim that they are actually rather conventional.
The author's reference to the fact that "even low elemental concentrations and minute features in diamonds can now be analyzed" serves primarily to
Which of the following inequalities is consistent with the statement that the time it took train K to travel $$r$$ miles at a constant rate of $$s$$ miles per hour is less than the time it took train M to travel $$y$$ miles at a constant rate of $$z$$ miles per hour?
A cube has its faces numbered from 1 to 6. The cube is weighted in such a way that when it is rolled, the probability that $$X$$ will appear on the top face is equal to $$\frac{k}{X}$$, where k is a constant. What is the value of $$k$$?
What is the units digit of ($$4^{32}$$ - $$3^{32}$$)?
The standard deviation of $$n$$ numbers $$x_{1}$$, $$x_{2}$$, $$x_{3}$$,......, $$x_{n}$$, with mean $$\overline{x}$$ is equal to $$\sqrt{\frac{s}{n}}$$, where $$S$$ is the sum of the squared differences $$(x_{i} - \overline{x})^{2}$$ for $$1 \leq i \leq n$$.

For what value of $$x$$ is the standard deviation of the numbers $$6$$, $$14$$, $$16$$, and $$x$$ least?
For a certain type of can, the number of grams of aluminum per can decreased by 20 percent from 1994 to 1998, while the cost per gram of aluminum decreased by 60 percent. If the cost of the aluminum in $$y$$ cans in 1994 was equal to the cost of aluminum in $$ky$$ cans in 1998, then $$k$$=?


Quantity A

$$y$$

Quantity B

$$1$$


The units digit of 2!+4!+6!+8!+10! is
In a local election there are 2 candidates for mayor, 4 candidates for sheriff, and 5 candidates for dogcatcher on the ballot. In each of the three categories a voter may vote for exactly one candidate or none. How many different ways can a voter fill out the ballot?


In the figure, the line l and the x-axis are tangent to the circle at points P and S, respectively, and the line segment QS passed through center R of the circle. What is the slope of l?


The graph shows for each movie category the percent of a sample of middle school students who had watched at least one movie in that category within the last year. If 87 percent of the students in the sample had watched at least one movie in the comedy category and at least one movie in the drama category, what percent of the students in the sample had not watched any movies in either of these two categories?
A marine biologist recorded the lengths of 115 fish. The median of the recorded lengths is 60 centimeters. Which of the following statements must be true?

Indicate all such statements.
In the xy-plane, which of the following values are x-intercepts of the graph of the equation $$y= \frac{x−1}{x+3}$$?

Indicate all such values.
Nancy invested $5,000 for $$x$$ years at an annual interest rate of 6 percent, compounded annually.

David invested $6,000 for $$y$$ years at an annual interest rate of 6 percent, compounded semiannually.

Quantity A

The total amount of interest that Nancy's investment earned

Quantity B

The total amount of interest that David's investment earned




In quadrilateral ABCD, AB=BC=BD and the measure of angle ABC is 60 degrees. What is the measure of angle ADC?
a, b, c, d, e, f, g, h, i, j

Let S be the set of all 10-letter sequences consisting of the 10 letters above.

Let T be the set of all 8-letter sequences consisting of the first 8 letters above.

Quantity A

The number of sequences in S in which f, b, h, and g appear consecutively in that order

Quantity B

The number of sequences in T in which f and b appear consecutively in that order




The graph of the ellipse with equation $$x^2+4y^2=4$$ is show in the xy-plane. Circle C (not shown) has its center at the point (-1, 0) and a radius of 1. At how many points does the graph of circle C intersect the graph of the ellipse?

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