Answer: 10
Step-by-step explanation: We can just count the number of vertices in the star and each vertex makes an angle. There are ten vertices in a star and thus ten angles. 
 
        
             
        
        
        
Answer:
2π feet
Step-by-step explanation:
9:30 PM to 1:30 AM is 4 hours.
It is 1/3 of a complete revolution.
A full 12 hours would be 2×r×π=2×3×π
1/3 of that is:
1/3×2×3×π=2π
≈6.283185307 feet
 
        
             
        
        
        
Answer:
 9 cookies per dollar
Step-by-step explanation:
This is a fraction equal to
36 cookies ÷ 4 dollars
We want a unit rate where
1 is in the denominator,
so we divide top and bottom by 4
36 cookies	÷ 4
--------------------------
4 dollars	÷ 4
=  
9 cookies
---------------
1 dollar
=  
9 cookies
-----------------
dollar
= 9 cookies per dollar
 
        
             
        
        
        
Answer:
Step-by-step explanation: < 180
 
        
             
        
        
        
Answer:
since 0=noon
and 15 secs=25% of a min 
plot the point on the very first line to the right of 0
(the tiny line)
Step-by-step explanation: