B>-9
hope this helped you!!! Have a nice day :)
Answer:
The answer is

Step-by-step explanation:
We have the points (2000,91) and (5000,82)
Then

Mr.Avila's classroom would be bigger because 1/6 is bigger than 1/8.
= <-1 +7t, 4 -t, -5>
Multiply the direction vector by the parameter and add that to the given point.