#### 题目列表

In a certain college, the ratio of freshmen to sophomores is 1:3.

The ratio of sophomores to juniors is 3:5.

#### Quantity A

The ratio of freshmen to juniors

#### Quantity B

0.3

From 7 boys and 4 girls, how many different committees can be selected consisting of 3 boys and 2 girls?
If x>0 and $x^2+6x+6=22$, what is the value of x+3?

_____
In a class of 50 students, 18 play basketball, 22 play soccer, and 2 play both basketball and soccer. How many students in the class do not play either basketball or soccer?
If $y>x^2-1 and x^2>y-1$, which of the following is a solution to both inequalities?

Indicate all possible choices.
A standard deck of 52 cards is shuffled and one card is drawn.

What is the probability that the card is an ace or a face card?
Which of the following equals its reciprocal?

Indicate all possible choices.
If ((3x+2)/4)>(8/12), then which numbers are possible values of x?

Choose all that apply.
Circle Ohas a radius of 3, and is intersected by a line at points R and S.

What is the maximum possible distance between R and S?
x<0

#### Quantity A

$4x^{2}+1$

#### Quantity B

$(2x+1)^{2}$

2a+b=4

9b=18

a

#### Quantity B

b

14,000 of the 25,000 type S cars contain anti-theft devices.

#### Quantity A

The percent of type S cars that do not contain anti-theft devices.

#### Quantity B

45%

The equation of the line graphed on the rectangular coordinate system above is $y=-(\frac{9}{10})x+b$

AB

#### Quantity B

BC

a is a positive integer.

#### Quantity A

$\frac{(3a)(3a)}{3}$

#### Quantity B

$\frac{3a+3a}{3}$

A square has an area of $x^{4}$ square centimeters.

#### Quantity A

A length of a side of the square

#### Quantity B

$x^{2}-1$

At a certain language school, 55 students are taking German only. 75 students are taking Spanish only, and 15 students are taking both languages. No other languages are offered.

#### Quantity A

The ratio of the number students enrolled in German classes to the number of students enrolled in Spanish classes

#### Quantity B

$\frac{3}{4}$

3x>1;y>1

#### Quantity A

$(\frac{y}{x})\sqrt{\frac{x^{3}}{y}}$

#### Quantity B

$\sqrt{xy}$

In Country Z, the ratio of residents under 25 years of age to residents 25 years or older is 3 to 2. If there are 36 million people under 25 years of age residing in Country Z, how many people reside in Country Z, in millions?
If x is the sum of n odd integers, which of the following must be true?

In the rectangular solid above, PQ = 5,QR= 12, and the volume is 480.

What is the total surface area?

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