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题目内容
If $$ x + y \neq 0$$, which of the following is a solution to the inequality $$\frac{x^{2}-y^{2}-1}{x+y} > \frac{-1}{x+y} $$ ?

Indicate all solutions.
If y - 3x > 12 and x - y > 38, which of the following are possible values of x?

Indicate all such values.
If$$5x^{2}+65x+60\over{x^{2}+10x-24}$$,, then which of the following are possible values of x?

Indicate all such values.
If$$25,002^{2}-24,998^{2}=$$_____
If$$\sqrt{8x^{2}+17}=3x-2$$, what is the value of 2x?_____
If x and y are positive numbers and $$\sqrt{x^{2}-y^{2}}=3y-x$$

what is the value of $$\frac{x}{y}$$? _____
$$x^2 - y^2 < 8$$

x + y > 3

If x and y are integers in the above inequalities and 0 < y < x, what is the greatest possible value of x? _____

Quantity A

The product of integers from -87 to -36 inclusive

Quantity B

The product of integers from -85 to -34 inclusive
For a certain event, 148 people attended. If all 148 had paid full admission price, the total revenue would be three times the cost of sponsoring the event. (Admission price was the only source of revenue.) As it happens, only 50 paid the full admission price, and the others paid nothing.

Quantity A

the total revenue

Quantity B

the cost of sponsoring the event
For positive numbers p and q,$$\frac{p-q}{p+q}=\frac{2}{3}$$

Quantity A

p+q

Quantity B

5
Set K consists of all fractions of the form $$\frac{x}{(x+2)}$$ where x is a positive even integer less than 20. What is the product of all the fractions in Set K ?
In the below addition A, B, C, D, E, F, and G represent the digits 0, 1, 2, 3, 4, 5 and 6. If each variable has a different value, and E ≠ 0, then G equals GRE、gre题库、gre模考、gre考满分
The value of $$\frac{1.3333\times0.6666\times1.125}{0.75\times0.8\times0.833}$$is closest to
2 - [1 - (1 - [2 - 3] - 2) + 3] =
Note: Figure not drawn to scale

If x and y are numbers on the number line above, which of the following statements must be true?

I. |x+y| < y

II. x + y < 0

III. xy < 0 GRE、gre题库、gre模考、gre考满分
A certain barrel is$$\frac{1}{5}$$full. When k liters of liquid are added to the barrel, it becomes$$\frac{2}{3}$$full. In terms of k, what is the capacity of the barrel, in liters?
Having received his weekly allowance, John spent $$\frac{3}{5}$$of his allowance at the arcade. The next day he spent one third of his remaining allowance at the toy store, and then spent his last $0.80 at the candy store. What is John`s weekly allowance?
If a, b, c and d are different integers between -6 and 10 inclusive, what is the least possible value of the product abcd?
If the numbers$$\frac{19}{36},\frac{5}{11},\frac{12}{25},\frac{6}{11},and \frac{8}{18}$$, and$$\frac{8}{18}$$were arranged from least to greatest, which number would be in the middle?
$$If \frac{w}x=\frac{2}{3} and \frac{w}x=\frac{8}{15}then \frac{x+y}{y}=$$

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