Answer:
1120°
Step-by-step explanation:
Use the sum of interior angles formula:

Where n is the number of sides.
In a nonagon, there are 9 sides, substitute 9 for n:

Since our nonagon is a regular nonagon, all 9 angles measure the same, so each angle measures:

Subtract 140 from 1260:

4.12 rounded to the nearest tenth is 4.1
Answer:
4 days
Step-by-step explanation:
There are 8 pints in a gallon, so it would take 4 days to finish 1 gallon.
Answer:
x = 17
Step-by-step explanation: