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Kim is taking part in a group discussion about the book they are reading for class. She quickly becomes aware that the rest of the group did not prepare for this discussion.
Which action is a definite sign that the group did not prepare?
They keep flipping the pages of their books, looking for something to say.

They seem to be very comfortable reading aloud from the textbook.

They have chosen a section of the book that they think is important to discuss.

They are confident when the moderator brings up a topic to discuss.

The option that’s correct is clearly the first one. They weren’t sure of what to say or do because they didn’t put thought into anything at all! Hope this helps

A) They keep flipping the pages of their books, looking for something to say.

Step-by-step explanation:

By flipping through the pages of the book, they are looking for something to say. Which indicates they did not read the book, making them unprepared for the discussion. If they had read the book beforehand, they would have been confident in reading and ready to discuss important topics.

I hope this helped.

Answers: 

- vector equation: r(t) = <1 + 6t, -1 + 7t, 7 - 6t> 
- parametric equations:   
      x = 1 + 6t
      y = -1 + 7t
      z = 7 - 6t

Explanation:

To obtain the vector equation, we first get a vector v that is parallel to the line. To get the vector v, we subtract p from q. So,

v = q - p
   = (7,6,1) - (1,-1,7)
v  = (6, 7, -6)

The vector equation of the line is given by



Where

= a point in the line (we choose point p(1,-1,7))

So, the equation of the line joining p and q is given by



In the parametric equation of the line, we just need to get the x, y and z coordinates in the vector equation.

Since the vector equation is given by 



The parametric equations of the line are given by: