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According to the passage, which of the following details regarding the lotus-shaped ewer supports the claim of the "other authorities" about the dating of that ewer?
The primary purpose of the passage is to
According to the passage, the “checklist" provides a record of which of the following?
It can be inferred that the author of the passage mentions protoplanetary disks because
The primary purpose of the passage is to
The units digit of $$7^{n}$$ is r, and the units digit of $$9^{n}$$ is t, where n, r, and t are positive integers. Which of the following could be the value of r+t?

Indicate all such values.
x-y > x

x+y < y

Quantity A

x

Quantity B

y


The operation ⭕️ is defined by x ⭕️ y=$$\frac{1}{x}$$+$$\frac{1}{y}$$ for all positive numbers x and y. Which of the following statements must be true for all positive numbers m and r?

Indicate all such statements.
In the xy-plane, the lines with equations 2x-y=1 and x-y=c, where c is a constant, intersect at point with the coordinates (a, b). What is the greatest possible value of c such that both a ≥ 0 and b ≥ 0?


The average (arithmetic mean) value of x in the frequency distribution above is 0. If a value of x is to be selected at random from the distribution, which of the following events is most likely?
According to the passage, which of the following statements about the sculptures produced by nineteenth-century women sculptors is true?
n is a positive integer.

$$x_{1}, x_{2},...x_{n}$$ are n numbers.

c is a number.

Quantity A

The standard deviation of the n numbers $$x_{1}, x_{2},...x_{n}$$

Quantity B

The standard deviation of the n numbers $$x_{1}+c, x_{2}+c,...x_{n}+c$$






For all numbers a and b, the operation ⭕️ is defined by a ⭕️ b=2a-3b. What is the value of 1 ⭕️ (2 ⭕️ 4)?


In the xy-plane, line segment PR intersects the x-axis at point Q and is parallel to the y-axis. If the legnth of PQ is twice the length of QR, what are the corrdinates of point R, in terms of a and b?
How many different three-digit integers, each of whose digits must be either 1 or 2 or 3, are greater than 300?
This book indulges in a number of convenient ____________, including its dubious timeline and its veneer of collective authorship.
Committee A is composed of 14 people and committee B is composed of 10 people. At least 6 people are members of both committees.

Quantity A

The greatest possible number of members present if the two committees meet in a joint session

Quantity B

18






If p≠1, which of the following must be negative?
A certain account pays an annual interest rate of 6 percent compounded annually. Guadelupe deposited $5,000 in the account on May 1, 1994, and she deposited another $5,000 in the account on May 1. 1995. No other deposits and no withdrawals were made.

Quantity A

The amount of interest earned by the two deposits from May 1, 1994, to May 1,1996

Quantity B

$900






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