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R and r are two radii of the greater and smaller circle, respectively. What is the ratio of minor arc AB to minor arc DF?
Give your answer using R and r.

An isosceles triangle is inscribed in a circle, and the base is the diameter of the circle whose radius is 5. What is the area of the shaded area?

If the sum of the area of the three semi-circles is 48π, what is the length of AB?

In the xy-plane, the shaded area above is composed by three semi-circles. What is the area of the shaded area?
x and y are positive decimals such that x+y rounded to the nearest hundredth is x.

Quantity A

y

Quantity B

0.007


For which of the following values of x does the expression $$\sqrt{\frac{24}{x+1}}$$ represent an irrational number?

Indicate all such numbers.

The three arcs are semicircles.

Quantity A

The area of the shaded region

Quantity B

The sum of the areas of the two unshaded semicircular regions




In the following number line, |x-y|=|z-y| (x < z).

Quantity A

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

Quantity B

y



OC is the diameter of the smaller circle, but the radius of the larger circle. O is the center of the larger circle.

Quantity A

The area of the blue region

Quantity B

The sum of the yellow region




Quantity A

-x

Quantity B

-y




The tick marks shown on the number line are evenly spaced. Points D and E have coordinates of $$4^{10}$$ and $$4^{11}$$, respectively. The point that has a coordinate of $$4^{9}$$ is?
On a number line, Point P lies between -3 and -2, Point Q lies between -1 and 0, while Point R lies between 0 and 1.

Quantity A: The distance between point P and point Q

Quantity B: The distance between point Q and point R
How many distinct solutions does the equation |1-|x-215||=1 have?
x≠0, y≠0

|x|+|y|=|x+y|

Which of the following statements must be true?

Indicate all such statements.
|2+k|=|2-k|

Quantity A: k

Quantity B: 0

Quantity A

|$$3+x-x^{2}$$|

Quantity B

|$$x^{2}-x-3$$|


How many x can satisfy the equation | $$x^{2}$$-5x |=1?
f(x)=|x+2|, where -3≤x≤-2, what could be the value of f(x)?

Indicate all such numbers.
If 12 percent of the books in a library are reference books, then the ratio of the number of reference books to the number of nonreference books is closest to which of the following?

Quantity A

The number of tenths equal to 1.4

Quantity B

The number of hundredths equal to 1.3


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