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In the triangle, is y =30, then x = GRE、gre题库、gre模考、gre考满分
Greg's weekly salary is $187, which is 15 percent less than Karla's weekly salary.If Karla's weekly salary increases by 10 percent,by what percent must Greg's weekly salary increase in order to equal Karla's new weekly salary?

Give your answer to the nearest tenth of a percent.

_____%
$$\frac{60!-59!}{58!}=$$
A rectangular solid P has height 2c and a base of width a and length b. Two other rectangular solids, Q and R, each have height c and bases of width a and length b. Which of the following represents the amount by which the sum of the surface areas of Q and R exceeds the surface areas of P?
For which of the following values of x is the units digit of the product $$(2)(3^{x})$$ equal to 4?


In a survey, 130 people were asked how many movies they had seen in the preceding year. Their responses varied from 0 to 30 movies. The graphs above show two different summaries of the same survey results. How many people responded that they had seen 11 or 12 movies?
David bought $$n$$ stamps that cost $0.32 each. He paid with bills worth $1.00 each and received $0.08.

Quantity A

$$n$$

Quantity B

9
The median of 7 consecutive odd numbers in a certain list is 39. If the each of the numbers in the list were multiplied by -3, what would be the value of the least of the resulting 7 numbers?
The operation @ is defined for all numbers x and y by the equation x@y=$$x^{2}$$+y

Quantity A

($$\frac{2}{3}$$@$$\frac{2}{3}$$)@$$\frac{2}{3}$$

Quantity B

$$\frac{2}{3}$$@($$\frac{2}{3}$$@$$\frac{2}{3}$$)
A line in the xy-plane has the equation y=mx+6, where m is a constant and 3 ≤ m ≤ 4. Which of the following could be the x-intercept of the line？

Indicate all such values.
What is the ratio of the area of a square region with diagonal 10 to the area of a square region with diagonal 20?
Give your answer as a fraction.
$$x^{2}$$+$$y^{2}$$=52. Both $$x$$ and $$y$$ are integers and $$x \gt y$$.

Quantity A

$$x$$

Quantity B

$$4$$
A set of $$k$$ consecutive integers, including $$2$$. The sum of the integers in the set is $$-11$$.

Quantity A

$$k$$

Quantity B

$$10$$
If $$y=\frac{x+w}{2}$$ , what is $$w-y$$ in terms of $$x$$ and $$y$$?


PQ=QR

The area of the shaded triangular region is $$\frac{1}{3}$$ the area of triangular region PQR.

Quantity A

$$\frac{1}{3}$$(PR)

Quantity B

PS
$$2 \lt x \lt 5$$

$$\frac{1}{10} \lt y \lt \frac{1}{5}$$

Quantity A

$$x+y$$

Quantity B

$$\frac{1}{x}$$+$$\frac{1}{y}$$
If a=$$(-\frac{1}{37})^{12}$$, which of the following equals to $$37^{-12}$$?
n is an integer

Quantity A

$$(\frac{1}{2})^{n}$$

Quantity B

$$(\frac{1}{3})^{n}$$
List R={x, y, z, 2.7, 3.8, 5.5}

List S={x, y, z, -2.7, -3.8, -5.5}

If the average (arithmetic mean) of the 6 numbers in list R is r and the average of the 6 numbers in list S is s, then r-s is the average of which of the following lists?
Passwords for a certain computer consist of 5 symbols typed on a computer keyboard. Each password consists of one @ symbol, two # symbols, and two $ symbols, typed in any order. For example, @#$$# and $#$#@ are two different passwords for the computer. What is the total number of different passwords for the computer?

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