Step-by-step explanation:

Since the interior is 170 the exteriro must be 10 degrees. There is a total of 360 degrees so 360/10=36 or 36 sides.
Answer:
true.
Step-by-step explanation:
Answer:
1. 240 oz
2. 6000lb
3. 20 lb
4. 368 oz
5. 12000 lb
6. 9 lb
7. 30000 lb
8. 22
9. 288
Step-by-step explanation:
Answer:
2.38
Step-by-step explanation:
subtract 4.9 on both sides