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Which of the following inequalities is equivalent to 3 ≤ x ≤ 4?
If x is an integer, then what is the least possible value of $$3^{x}$$ + $$3^{-x}$$ ?
The volume of a rectangular solid is 60, and the area of one of its faces is 11.

Quantity A

The surface area of the solid

Quantity B

100


The operation is defined by x✸y=$$\frac{x^{2}}{y}$$+$$\frac{x}{y}$$ for all numbers $$x$$ and $$y$$, where $$y \neq 0$$. What is the value of $$(9✸ (-9))+((-9) ✸9)$$?
Which of the following best represents the graph of the equation $$y-5x+4=0$$ in the xy-plane?



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

Quantity A

$$a$$

Quantity B

$$b$$


In the xy-plane, line $$l$$ has $$x$$-intercept 3 and $$y$$-intercept 4, and line $$m$$ has $$x$$-intercept 4 and $$y$$-intercept 3.$$

Quantity A

The slope of line $$l$$

Quantity B

The slope of line $$m$$


Of the following, which graph best represents a shaded region in which every point $$(x, y)$$ satisfies the inequality $$y ≤ |x|$$?


ABCD is a square.

Quantity A

$$x+90$$

Quantity B

$$u+w$$


Each side of square S has length 2. Five different points lie inside S but not on the sides of S.

Quantity A

The distance between the closest two points among the five points

Quantity B

$$\sqrt{2}$$


In the ceiling of a room, an opening was cut in the shape of a square with sides that are 1 foot in length. A circular fixture will be placed over the opening. If the circular fixture covers the square opening completely, which of the following could be the diameter of the circular fixture, in inches? (Note: 1 foot = 12 inches)

Indicate all such diameters.


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


Approximately what was the median daily high temperature, in degrees Fahrenheit, for the last ten days in June?
In a competition, a certain contestant scored either 2 points or 4 points in each round of the competition. This contestant`s average (arithmetic mean) score for the entire competition was 3.8 points per round.

Quantity A

9 times the number of rounds in which the contestant scored for 2 points

Quantity B

The number of rounds in which the contestant scored for 4 points


Each of 7 fish in an aquarium has a different weight, and the total weight of the 7 fish is 172 pounds. The total weight of the 4 heaviest fish is 114 pounds.The average (arithmetic mean) weight of the 4 lightest fish is 20.5 pounds. What is the median weight,in pounds, of the 7 fish?

_____pounds
For a group of 9 steel beams stored together, the average (arithmetic mean) length of the beams is 7.2 meters and the median length is 8.4 meters. Two additional steel beams-one that is longer than all 9 beams and one that is shorter than all 9 beams-will be stored with the 9 beams. For the combined group of 11 steel beams, the average length is $$m$$ meters and the median length is $$d$$ meters. Which of the following statements must be true?

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?
There is little question that in primates there is (i) ___________ between monogamous mating partnerships and extensive male care of infants. Nevertheless, that does not mean male care is(ii) ___________ situations in which females mate with more than one male; studies of savanna baboons show that male care certainly can occur in nonmonogamous systems.
Because it has usually been impossible to eradicate exotic species once they have become established, it is ____________ to minimize introductions of species that have substantial probabilities of unwanted impacts.
If it is wrong to justify human selfishness on the basis of the alleged selfishness of nature, then it is equally mistaken to espouse ____________ merely because some animals happily assist each other.

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