>
absolute 17 would be greater because the absolute signs cancel out the negatives
Answer:
Find out all the other angles, and add them together. Subtract 180 - all the other angles combined.
BOOM, you found x for the interior angles.
Answer:

Step-by-step explanation:
Given

Required
The sample mean
This is calculated using:

So, we have:



Part 2 is 12.5 cm represents 5km
I worked this out by doing a ratio
5cm=2km
?cm=5km
you have to do 2 times 2.5 to get 5km so you do 5 times 2.5 to get 12.5cm
so the answer is that 12.5cm
He will have 22,900 by December.