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For each value $$x$$ in a list of values with mean $$m$$, the absolute deviation of $$x$$ from the mean is defined as $$|x-m|$$.

A certain online course is offered once a month at a university. The number of people who register for the course each month is at least $$5$$ and at most $$30$$. For the past $$6$$ months, the mean number of people who registered for the course per month was $$20$$. For the numbers of people who registered for the course monthly for the past $$6$$ months, which of the following values could be the sum of the absolute deviations from the mean?

Indicate all such values.
$$n$$ is a positive integer

Quantity A

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

Quantity B

0


In the four quarters of 2013, denoted by $$Q_1$$, $$Q_2$$, $$Q_3$$ and $$Q_4$$, Company C hired the same number of employees in $$Q_2$$ as in $$Q_1$$ and twice as many employees in $$Q_3$$ as in $$Q_2$$. The number of employees hired by the company in $$Q_4$$ was greater than the number of hired in $$Q_3$$; however, the number hired in $$Q_4$$ was also less than 3 times the number hired in $$Q_3$$. All of the employees were hired only once. If an employee is to be selected at random from all the employees hired during the four quarters, which of the following values could be the probability that the employee will be one who was hired in $$Q_4$$?

Indicate all such values.
For each of the years 1993 and 1994, the population of City M increased by 20 percent during the year. If the population was 280,000 on December 31, 1994, approximately what was the population on January 1, 1993?
By draining 40 gallons of water from a tank, the amount of water in the tank was decreased from $$\frac{1}{5}$$ of the tank 's full capacity to $$\frac{2}{11}$$ of the tanks full capacity. Water was then added to the tank until the tank was full. How many gallons of water were added to the tank?


Tickets for a carnival are sold either individually or in packages of 10 tickets or 20 tickets at the costs shown in the table. A group of friends bought $$n$$ tickets for the least possible total cost. A second group of friends bought more than $$n$$ tickets for a total cost that was less than the first group`s total cost. Which of the following could be the value of n?

Indicate all such values.
0 < x < 1

Quantity A

$$\sqrt{x}$$

Quantity B

$$x^{-1}$$


A saltwater solution contains $$25$$ percent salt by weight. To $$1$$ kilogram of this solution, $$x$$ grams of salt and $$4x$$ grams of water are added , where $$x \gt 0$$.

Quantity A

The percent of salt in the resulting solution

Quantity B

$$25%$$


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.
The function $$f$$ is defined by $$f(x) = 2x – 1$$ for all numbers $$x$$. If the function $$g$$ is given by $$g(x) = 3f(2x - 1) + 2$$ for all numbers $$x$$, what is the value of $$g(2)$$?

$$g(2)$$=_____


In the rectangular coordinate system, point P has coordinates (-2,1) and a point Q has coordinates (3,6).

Quantity A

The slope of line l

Quantity B

1


In the rectangular coordinate system, a certain line has slope 3. Which of the following pairs of points could be on the line?


Lines $$k$$ and $$l$$ lie in the xy-plane and are parallel.

Quantity A

$$a$$

Quantity B

$$b$$




Quantity A

$$x-y$$

Quantity B

20




In the figure shown, ABCD and EFGH are rectangles.

Quantity A

The sum of the measure of angle CPG and angle AQH

Quantity B

300°




All angles in the figure above are right angles. What is the straight-line distance from point P to point Q?


The center of each of the five circles is point O. The radii of the five circles, from smallest to largest, are $$r$$, $$2r$$, $$3r$$, $$4r$$, and $$5r$$, respectively.

Quantity A

The area of the shaded region

Quantity B

The area of the striped region


A box manufacturer is designing a closed box in the shape of a rectangular solid. The ratio of the lengths of the sides of the box is 1 to 2 to 3. The total surface area of the box is 550 square inches. What is the volume of the box, in cubic inches?
Mr. Thomas gave a chemistry test to 25 students and assigned each student a score. Of the 25 students, 12 students received scores that were greater than 80.

Which of the following statements individually provide(s) sufficient additional information to determine the median of the 25 scores?

Indicate all such statements.
$$(-0.5)^{-2}$$, $$(-0.5)^{-1}$$, $$(-0.5)^{0}$$, $$(-0.5)^{1}$$, $$(-0.5)^{2}$$,

What is the range of the 5 numbers listed?

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