Parallel
perpendicular
parallel
neither
perpendicular
Average = Mean
To find the mean, add up the numbers and divide it by how many numbers there are.
So,

There are 5 numbers in total.

To do these types of division, ignore the decimal and add a 0 at the end.
So we can do:

And put back the decimal.
Hope this helps :)
Answer:
<h2>-5*3 -8*-5 +2</h2><h2>= -15 +40 +2</h2><h2>= 27</h2>