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The calls some birds make in the presence of predators are structured to ______________: with tapered starts and stops, these calls lack the abrupt onsets that would provide cues to predators about the sounds'origin.
The highlighted sentence serves primarily to
The passage suggests that the Dorset Paleo-Inuit people


In the figure shown, O is the center of the circle and $$x$$ and $$y$$ are the lengths of two line segments.

Quantity A

The radius of the circle

Quantity B

$$\frac{x+y}{2}$$


On a scaled map, the point for the geographical center of City A is 4 inches from the point for the geographical center of City B, and the point for the geographical center of City B is 2 inches from the point for the geographical center of City C. The actual distance from the geographical center of City A to the geographical center of City B is 500 miles. Which of the following values could be the actual distance, in miles, from the geographical center of City A to the geographical center of City C?

Indicate all such values.
The 9 computers in an office are to be interconnected by cables so that each computer is connected directly to each of the other computers. If each cable that connects a pair of the computers counts as one cable, how many cables are needed?
A caterer has 20 liters of fruit punch that is 12 percent grape juice, by volume. How many liters of fruit punch that is 20 percent grape juice, by volume, must be added to the original 20 liters of fruit punch in order to create fruit punch that is 15 percent grape juice, by volume?
A hotel offers a 20 percent discount on the regular price of each room, and the hotel charges a 15 percent sales tax on the discounted price. If a guest rented a room for one night at the discounted price and paid a total of $$p$$ dollars, including the sales tax, what is the regular price, in dollars, of the room?
A manufacturer is designing a closed box in the shape of a rectangular solid where the ratio of the width to the height to the length of the box is 1 to 3 to 5. If the volume of the box is 405 cubic inches, what is the total surface area of the closed box, in square inches?
$$\frac{m^3}{n^6}=\frac{1}{27}$$

Quantity A

$$3m$$

Quantity B

$$n^{2}$$




Points P, R, and S are on the circle with cener O. The measure of angle ROS is 92°.

Quantity A

x

Quantity B

y


Approximately what was the average value traded per investor in the five categories for 2001?
The number of investors who traded in category $$E$$ was approximately what percent less than the number who traded in category $$C$$?
If 35 percent of the investors traded in both category $$A$$ and category $$B$$, what percent of the investors traded in neither of these two categories?
The total number of full-time and part-time employees aged 30 and over increased by what percent from 2005 to 2017? Give your answer to the nearest whole percent.
For the 18-29 age-group, if $$\frac{1}{3}$$ of the full-time employees and $$\frac{1}{2}$$ of the part-time employees worked from home in 2005 and if $$\frac{1}{2}$$ of the full-time employees and $$\frac{3}{5}$$ of the part-time employees worked from home in 2017, then the number of employes who did not work from home in 2017 was closest to what fraction of the number of employees who did not work from home in 2005?

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