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A college professor took attendance for the first 10 days of a class last semester. The professor noticed that Sarah attended class on 8 of those days, Andrew attended class on 7 of those days, Jeff attended class on 6 of those days, and on only 1 of those days did all three students attend class. On how many of the 10 days did at least two of the three students attend class?

_____days
In the xy-plane, what is the x-intercept of the line that passes through the point (2, -4) and is perpendicular to the line 6x-3y=4?
The primary purpose of the passage is to
According to the passage, which of the following is true of the collisions mentioned in the highlighted sentence?
Which of the following would have been true of the collision that the author of the passage theorizes gave rise to Earth's Moon?
The passage suggests that which of the, following is true of the cited "compounds and elements"?
Which of the following, if true, provides most support for the archaeologists' contention?
The primary purpose of the passage is to
In the context of the passage, "signs of purposeful shaping" are significant for which of the following reasons?
According to the passage, sloth bones found at Pikimachay have been used by some scholars in an effort to determine which of the following?
w ≤ -65

Quantity A

$$w^{2}-65w$$

Quantity B

0


$$x$$, 80, 58, 72, 94, 60, 63

The median of the 7 integers listed is 65.

Quantity A

$$x$$

Quantity B

65


n is an integer.

Quantity A

$$(1)^{5n}$$

Quantity B

$$(1)^{5+n}$$


27 < |$$x^{3}$$| < 125

Quantity A

x

Quantity B

4


The length and width of rectangle R are $$x$$ and $$y$$, respectively, and the diagonal of R has length 12.

Quantity A

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

Quantity B

144




Points S, T, U, V, and W are equally spaced on the circle with center O.

Quantity A

c

Quantity B

d


A coin collector bought a certain coin for $25, sold it for $35, then bought is back for $45, and finally sold it for $55. What was the gain or loss for the collector on this series of transactions?

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