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0 < a< b < 1 < c < d, c and d are both integers

Quantity A

$$a^{c-d}$$

Quantity B

$$b^{d-c}$$


The product of 702,368 and 96,638 lies between?
x, n and k are all integers, 0 < x < $$10^{7}$$, x=$$n^{k}$$

If the units digit of x is 5, and x could be transformed into both the square of an integer and the cube of an integer, then x must be?
The result of $$\sqrt{570}$$ ÷ $$\sqrt{7}$$ is closest to which of the following?
If $$\sqrt{108}$$ =$$a\sqrt{b}$$, where $$a$$ and $$b$$ are both positive integers, which of the following could be the value of a+b?

Indicate all such numbers.
x> $$\sqrt{5}$$

Quantity A

3x

Quantity B

$$\sqrt{45}$$


If 3x+4=5x-6, then what is the value of x ?
If 2x=3y=4z=20, then 12xyz=
If 2x+y=5 and 3x+2y=8, then what is the value of 4x+3y?
The system of equations has how many solutions?

3x-6y=9

2y-x-3=0
$$x^{2}$$ = x

Quantity A

$$3^{x}$$

Quantity B

$$3^{-x}$$


Solve the equation $$x^{3}$$-2$$x^{2}$$-5=$$x^{2}$$(x+3+10$$x^{-1}$$), and the solution is x=
What is the sum of all possible solutions to the equation below?

$$\sqrt{2x^{2}-x-9}$$ =x+1
How many ordered pairs of positive integers (x, y) satisfy the inequality 2x+3y < 10?
n is an integer, and k is not an integer.

0 < k < n < k+2

Quantity A

n

Quantity B

k +1


z=x+2y

If x stands for integers from 30 to 39, inclusive, and y stands for integers from 20 to 29, inclusive, then the tens digit of z could be?

Indicate all such possible values.
If x + y ≠ 0, which of the following is a solution to the inequality below?

Indicate all such pairs.

$$\frac{x^{2}-y^{2}-1}{x+y}$$ > $$\frac{-1}{x+y}$$
1 < $$x$$ < 2

Quantity A

$$x$$ +$$x^{-1}$$

Quantity B

2


x > 0, y > 0

Quantity A

$$\sqrt{xy}$$

Quantity B

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


Each student in a school takes either the French class or Spanish class, but not both. Each class has some male and some female students. The ratio of the number of female students to the number of male students is less for Spanish class than for French class.

Quantity A

The ratio of the number of female students to the number of male students in French class

Quantity B

The ratio of the number of female students to the number of male students in the school


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