题目列表

The perimeter of a rectangle is 80. The difference between the length and width of the rectangle is 20. What is the area of the rectangle?

_____square units
Arectangular solid with length 8, width 4, and height 2 has the same volume as a cube. What is the length of an edge of the cube?

_____
y>0

Quantity A

$1+\frac{y}{1+y}$

Quantity B

$1+\frac{1}{1+y}$

n is an integer, and n>2

Quantity A

$3^{n}$

Quantity B

$n^{3}$

Quantity A

The slope of the line with the equation 3x+4y=7

Quantity B

The slope of the line with the equation 3(x-2)+y=7-6(y+ 4)

Quantity A

The percent decrease from 20 to 16

Quantity B

The percent decrease from 24 to 20

xy = 35

x and y are both positive integers greater than 1.

x+y

3x

Quantity A

The number of distinct diagonals 10 that can be drawn inside a hexagon

10

Quantity A

The length of the hypotenuse of a right triangle with legs of lengths 20 and 15

Quantity B

The length of a diagonal of a rectangle with a length of 24 and a width of 7

Triangle ABC lies in the xy-plane with C at (0, 0), A at (-4, 0), and B at (x, y), where x and y are both negative. The area of triangle ABC is 12.

y

Quantity B

-5

At Best Burgers restaurant, two hamburgers and five bags of French fries cost the same as four hamburgers and two bags of French fries.If a single bag of French fries costs \$1.50, what is the cost of two hamburgers?
For every 3,256 widgets produced, exactly 16 are defective. At this rate, how many widgets were produced during a period in which exactly 36 widgets were defective?
If 840 is 21 percent of c, what is 47% of c?
The angles of a triangle are in the ratio 5:6:7. What is the degree measure of the largest angle?

_____degrees
An antique dealer charges 20 percent more than his purchase price for any vase he sells. During a clearance sale, all items are marked 10 percent off. If the dealer sells a vase during the clearance sale, his profit on the vase (sale price minus purchase price) is what percent of his purchase price of the vase?
If y<|x+2|. then which of the following should be (x,y)? Indicate all possible solutions.
A helium pump releases 1,184 units of helium every 37 seconds. At this rate, how many units of helium will it release in a minute?
In a certain orchestra, each musician plays exactly one instrument. If $\frac{1}{5}$ of the musicians play brass instruments, and the number of musicians playing wind instruments is$\frac{2}{3}$ greater than the number of musicians playing brass instruments, what fraction of the musicians in the orchestra play neither brass nor wind instruments?
If a sausage-making machine produces 3,000 sausages in h hours, how many sausages can it produce in m minutes?

Quantity A

$(x+1)^{2}$

Quantity B

$x^{2}-2x+1$

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