The primary purpose of the passage is to

The author of the passage mentions observations regarding the period of a double-star system as being useful for determining

Which of the following best describes the relationship between the first and the second paragraph of the passage?

According to the passage, the tension in the string mentioned in the highlighted text is analogous to which of the following aspects of a double-star system?

It can be inferred from the passage that the two procedures described in the passage have which of the following in common?

Each of the following is mentioned in the passage as a characteristic of the hard-sell approach EXCEPT:

It can be inferred from the passage that one reason an advertiser might prefer a hard-sell approach to a soft-sell approach is that

The primary purpose of the passage is to

According to the author of the passage, corporate leaders of the future should do which of the following?

Which of the following best describes employee behavior encouraged within learning organizations, as such organizations are described in the passage?