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If the area of the region is 5880, then what is the perimeter of the region? (All the angles shown above are right angles)
The average (arithmetic mean) of m and n is 1 more than k.

Quantity A

m+n

Quantity B

2k+1


w, x, y and z are integers

w < x and y < z

Quantity A

wy

Quantity B

xz


n is an integer

Quantity A

$$\frac{(-1)^{11n+7}}{(-1)^{5n-2}}$$

Quantity B

-1


1575=$$3^{x}$$*$$5^{y}$$*$$7^{z}$$,What`s the value of x+y+z?
A box contains a certain number of cards, each of which is labeled by one of the values 4, 8, or 10. The numbers of cards labeled by each value are directly proportional to the values on the cards. What is the least possible number of cards in the box labeled by the value 10?
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?
x-y=1

Quantity A

$$x^{2}$$ - $$y^{2}$$

Quantity B

1


Quantity A

$$\sqrt[3]{625}$$

Quantity B

$$5\sqrt{5}$$


If the sum of two numbers is 9, what is the greatest possible value of the product of the two numbers?

Give your answer as a decimal.
The operation @ is defined by a@b=3a-2b for all integers a and b. If x and y are two integers such that x@y=17, which of the following could be the value of y?



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




What is the length of AD?
What is the range of all the weekly rental rates in the table?
List K consists of 100 numbers between 20 and 40, and list M consists of 200 numbers between 30 and 50.

Quantity A

The arithmetic mean of the numbers in list K

Quantity B

The arithmetic mean of the numbers in list M


The playing times of the 13 songs on a compact disc were measured. The average (arithmetic mean) playing time of the songs is 3.6 minutes, and the median playing time is 3.4 minutes. Which of the following statements must be true?

Indicateall such statements.
The standard deviation of n numbers $$x_{1}$$, $$x_{2}$$, $$x_{3}$$,......, $$x_{n}$$, with mean $$\overline{x}$$ is equal to $$\sqrt{\frac{s}{n}}$$, where S is the sum of the squared differences $$(x_{i} - \overline{x})^{2}$$ for 1 ≤ i ≤ n.

If the standard deviation of the 5 numbers 20-2c, 20-c, 20, 20+c, and 20+2c is greater than 6, which of the following could be the value of c?

Indicate all such values.
Three numbers are to be selected at random and without replacement from the five numbers 4, 5, 7, 8 and 11. What is the probability that the three numbers selected could be the lengths of the sides of a triangle?
The sound of disembodied human breathing in Miyazaki`s films is at once a presence, close to the listener`s ear, and a ghostly absence due to its lack of a visual __________.
Whereas in the early nineteenth century phrenologists had seen every part of the brain surface as the seat of a specific intellectual or moral faculty, the 1830s and 1840s saw a (i)___________ of this belief, to such an extent that the brain came to be seen as (ii)__________.

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