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Atotal of 1 ,500 boxes are stored in four warehouses. The number of boxes stored in the individual warehouses are x, y, z, and w, respectively, where w= 2x and z= 2y.

Quantity A

x+y

Quantity B

500


In the xy-plane, a line with equation y = mc + b,where m and b are constants and mb≠0, has a y-intercept that is twice the x-intercept.

Quantity A

m

Quantity B

-2


n is a positive integer.

Quantity A

$$\frac{1}{3^{n}}$$

Quantity B

$$3(\frac{1}{4^{n}})$$


In a certain club, the average (arithmetic mean) age ofthe 35 males is 24.2 years and the average age of the 25 females is 27.6 years.

Quantity A

The average age of all of the people in the club

Quantity B

25.9


Point O is the center of a circle with circumference 12.
Point P is another point inside the circle.

Quantity A

The greatest distance from P to a point on the circle plus the least distance from P to a point on the circle

Quantity B

4


$$xy \gt 0$$

Quantity A

$$x^{4}y^{3}$$

Quantity B

0


In the xy-plane, C and D are circles centered at the origin with radii $$\sqrt{17}$$ and $$\sqrt{5}$$, respectively.

Quantity A

The number of points (a, b) on circle C where both a and b are integers

Quantity B

The number of points (a, b) on circle D where both a and b are integers


When an even integer k is rounded to the nearest 10, the result is 530. What is the greatest possible value of k?
If the value of a double-digit number is twice the sum of its tens digit and units digit, then double-digit number must be?
n is a positive integer, x = 7n + 2, and y = 6n + 3

Quantity A

The ones digit of x+y

Quantity B

5


Rodrigo's locker number has 3 different digits, the sum of which is 12. The sum of any two digits in the number is less than 10, and the digits are in decreasing order from left to right. What is Rodrigo's locker number?
The 20 people at a party are divided into n mutually exclusive groups in such a way that the number of people in any group does not exceed the number in any other group by more than 1.

Quantity A

The value of n if at least one of the groups consists of 3 people

Quantity B

6


x and m are positive integers, x is odd, and $$x·2^{m}$$=160

Quantity A

x

Quantity B

m


The mean of four different integers is 32, while the least of them is 27. The largest possible integer among the list is?
In a list of ten positive integers, the same number could appear at most twice. If the sum of them is 101, then what is the greatest possible number in the list?
If N is an integer and 99 < $$N^{2}$$ < 200, then N could have at most how many values?
$$x^{2}y \gt 0$$, $$xy^{2}$$ \lt 0$$

Quantity A

$$x$$

Quantity B

$$y$$


If a < b < 0, which of the following numbers must be positive?

Indicate all such numbers.
When selecting four different integers from -5 to 4, inclusive, what is the least possible product of these four integers?
r and t are consecutive integers and p=$$r^{2}$$+t

Quantity A

$$(-1)^{p}$$

Quantity B

-1


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