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The prizes for a certain contest are in 5 sealed envelopes: 2 containing cash and the other 3 containing gift certificates. If 2 envelopes are to be randomly selected from the 5 envelopes, one at a time without replacement, what is the probability that at least one of the envelopes selected will contain a cash prize?
According to the passage, the traditional Chinese woodcut and the modern Western woodcut differed in which of the following ways?
The passage suggests that Lu Xun was dissatisfied with which of the following aspects of the traditional Chinese woodcut?
According to the passage, which aspect of modern Western woodcuts did Lu Xun value most highly?


In the figure shown, a square is inscribed in a circle, which is inscribed in a square.

Quantity A

The total area of the regions shaded black

Quantity B

The total area of the regions shaded gray


In the following figure, quadrilateral BCDE is inscribed in a circle.



The degree measure of angle BCD is twice the degree measure of angle EBC, and the degree measure of angle CDE is twice the degree measure of angle DEB. What is the degree measure of angle EBC?
Everyday Dana attempts to telephone Carla once, and each time she telephones the probability is $$\frac{1}{3}$$ that she will get a busy signal. Whether Dana gets a busy signal on any attempt is independent of whether she gets a busy signal on any other attempt.

Quantity A

The probability that Dana will not get a busy signal in each of 4 different attempts to telephone Carla

Quantity B

$$\frac{1}{4}$$


Quantity A

The number of positive integers less than 50 that are the product of 2 different prime numbers greater than 2

Quantity B

5


On a radio call-in show, the 6th caller and every 6th caller thereafter were given a T-shirt. Also, the 15th caller and every 15th caller thereafter were given movie tickets. A total of 78 people called the show, all at different times. How many of the callers were given neither a T-shirt nor movie tickets?

_____callers

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