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Approximately what fraction of the total revenue from the sale of musical recordings was from the sale of either country or jazz recordings?
The number of different subsets of 4 elements that can be selected from a set of 6 elements is 15. How many different subsets of 3 elements can be selected from a set of 7 elements?
$$2^{-9}$$-$$2^{-10}$$=
If x is the average (arithmetic mean) of 10 and y, and y is the average of x and 22, which of the following statements are true?

Indicate all such statements.
A certain data set consists of n values, and the mean of the values is positive. If an additional value equal to 70 percent of the mean is included in the data set to create a new data set, then the mean of the values in the new data set will be 2 percent less than the mean of the values in the original data set. What is the value of n?
Last week painter A started a job on Tuesday, completing $$\frac{1}{5}$$ of the job that day, and on Wednesday another printer B completed $$\frac{1}{6}$$ of the job that remained.

Quantity A

The fraction of the job that was not completed by the end of the day last Wednesday

Quantity B

$$\frac{2}{3}$$


Citing the corruption and intrigue that characterized politics in the city, my colleague ____________ the newspaper's trove of journalism prizes, declaring that finding exciting stories in the city must be effortless.
The author would likely agree with which of the following statements about the “black holes [the LHC] could conceivably form"?
According to the passage, after the 1440s, Timurid paintings of court scenes
The graph shows the numbers of all immigrants admitted to the United States in year Y who intended to reside in nine selected areas.



For year Y, approximately what was the median of the numbers of immigrants admitted to the United States who intended to reside in the nine areas shown?
The graph shows the numbers of all immigrants admitted to the United States in year Y who intended to reside in nine selected areas.



One immigrant is to be randomly chosen from the immigrants admitted to the United States in year Y who intended to reside in one of three areas: Chicago, Los Angeles, and New York. Approximately what is the probability that the immigrant chosen will be one who intended to reside in Chicago?
The graph shows the numbers of all immigrants admitted to the United States in year Y who intended to reside in nine selected areas.



Based on the information given, which of the following statements about the numbers of immigrants who intended to reside in the 9 areas shown are true?

Indicate all such statements.
Each time a certain coin is tossed, the probability is $$\frac{1}{2}$$ that it will land head up and $$\frac{1}{2}$$ that it will land tail up. If the coin is tossed 3 times, what is the probability that it will land heads up exactly twice?
Julius Caesar made a display of ____________cruel retribution against fellow Romans, but only if these Romans gave up their opposition to him.
Jim paints $$\frac{1}{5}$$ of a garage, and Katrin paints 1/6 of the remainder of the garage.

Quantity A

The fraction of the garage not painted by Jim and Katrin

Quantity B

19/30




Which of the following, if true of the cave, most weakens the argument?
a < 0 < b < c

Quantity A

$$\frac{ac}{b}$$

Quantity B

ac




When the positive integer t is divided by 5, the remainder is 3, and when t is divided by 6, the remainder is 2.

Quantity A

t

Quantity B

38


An artist will arrange 5 identical plastic apples in wooden bowls-one made of maple, one of oak, and one of pine. How many different arrangements are possible such that each bowl will contain at least one apple?

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