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A bottle has a volume of m liters and is $$\frac{1}{2}$$ full of water. A second bottle has a volume of n liters and is $$\frac{1}{3}$$ full of water. The contents of both bottles are poured into an empty tank that has a volume of r liters, where r ≥ m + n. Which of the following represents the fraction of the tank's volume that is filled with water?
If p≠1, which of the following must be negative?


The solution set of which of the following inequalities is graphed on the number line shown?
Integers x and y are each greater than 1, and 7 < xy < 13. How many different values of xy are possible?
In the sea, the normally strict relationship between latitude and temperature is ____________ along coasts by ocean currents: warm currents can extend tropical and subtropical temperatures poleward, while cool currents lower temperatures in these latitudes.
Brennan' (i)____________ is being blamed for damaging the company's reputation. Her lawyers, however, say that she does not lie and that she's been nothing but (ii)____________ from the beginning.
The sales tax on clothing items in Country A is 25 percent of the purchase price of the item, and the sales tax on clothing items in Country B is 20 percent of the purchase price of the item. If the two countries have the same currency and if the price of a certain clothing item is the same in both countries, what percent greater is the amount of sales tax on the clothing item purchased in Country A than the amount of sales tax on the clothing item purchased in Country B?
If n is a positive integer, which of the following CANNOT be the units digit of $$2^{n}-1$$?
$$-4 \lt x \lt 2$$ and $$-2 \lt x \lt 4$$

Quantity A

|$$x$$|

Quantity B

$$2$$


If $$1 \lt r \lt s \lt t \lt 2$$, then, of the following, which is closest to $$r+(s\times10^{6})+(t\times10^{12})$$?
The standard deviation of n numbers $$x_{1}$$, $$x_{2}$$, $$x_{3}$$,......, $$x_{n}$$, with mean x is equal to $$\sqrt{\frac{s}{n}}$$, where S is the sum of the squared differences, $$(x_{i}- x)^{2}$$ for 1 ≤ i ≤ n.

If the standard deviation of the 4 numbers 140-a, 140, 160, and 160+a is 50, where a > 0, what is the value of a?
Three different television models—$$K$$, $$N$$, and $$P$$—are for sale at a local store. The cost of model $$K$$ is $$20$$ percent greater than the cost of model $$N$$, and the cost of model $$N$$ is $$25$$ percent greater than the cost of model $$P$$. The cost of model $$K$$ is what percent greater than the cost of model $$P$$?
When positive integer $$m$$ is divided by $$6$$, the remainder is $$4$$. When positive integer $$p$$ is divided by $$6$$, the remainder is $$5$$. What is the remainder when the product $$mp$$ is divided by $$6$$?


The solid shown above is composed of four identical solid cubes, each with sides of length 2. What is the surface area of the solid?
A student has a box containing only two kinds of bills: $$6$$ Canadian dollar bills and $$y$$ Australian dollar bills. If more than $$\frac{3}{8}$$ of the bills in the box are Australian dollar bills, what is the least number of bills that the student could have in the box?
It is often the case that a certain intellectual advantage may be found by being (i)____________ an established field of knowledge, but even if you accept the argument about the importance of (ii)____________ thinking, it is hardly the only significant thinking there is.
The passage is primarily concerned with discussing


The frequency distribution above shows the number of colleges visited by a sample of students. If the median of the numbers of colleges visited is 3, which of the following could be the value of x?

Indicate all such values.


In the rectangular coordinate plane, how many points $$(x, y)$$, where both x and y are integers, lie on the circle with center at $$(0, 0)$$ and radius $$5$$?
On the first day of work for a certain task, $$\frac{1}{3}$$ of the work was completed. On the second day of work for the task, $$\frac{1}{4}$$ of the work that remained was completed. What fraction of all the work for the task remained to be completed after the second day?

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