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According to the passage, which of the following is true regarding the symbols of the Mesoamerican codex graphic system?
It can be inferred from the passage that the nature of the Mesoamerican codex graphic system enabled which of the following?
The primary purpose of the passage is to
The passage's description of Leighton and Wirawan's research suggests that which of the following was required for a rain-forest plot to be selected for study?
According to the passage, the conclusion that "canopy trees suffered more from drought than from fire" is based on data indicating that
Wilson sees the ideas that he presents in his new book as being notably _______, but his critics, by contrast, claim that they are actually rather conventional.
The author would likely include which of the following evidence in the "facts of chronology"
The author of the passage would be most likely to disagree with the "agricultural historians" over whether
The author's reference to the fact that "even low elemental concentrations and minute features in diamonds can now be analyzed" serves primarily to
It can be inferred from the passage that natural diamonds are of geological interest because they provide information about

Quantity A

The area of triangular region A

Quantity B

The area of triangular region B




List L consists of at least 20 numbers, and the average (arithmetic mean) of the numbers in L is 25. If an additional number x is included in the list, the average of the numbers in L will increase by 2.

Quantity A

x

Quantity B

60




Quantity A

$$(0.001)^{-1}+(0.999)^{-1}$$

Quantity B

$$(0.002)^{-1}+(0.998)^{-1}$$




For all positive integers x and y, the operation $$\odot$$ is defined by x$$\odot$$y=$$x^{-y}$$.

Quantity A

$$(2\odot2)^{3}$$

Quantity B

$$(2\odot3)^{2}$$




Quantity A

380(y+6)

Quantity B

380(у+4) + 380(у+2)




If x is a positive integer and x > 5, which of the following could be the units digit of $$19^{x}$$?

Indicate all such digits.

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