Answer:
3. 6.40
Explanation:
        
             
        
        
        
Answer:
60
Step-by-step explanation:
210÷3.5=60 
3.5x60=210
Hope this helps!
: )
 
        
             
        
        
        
Answer:
Step-by-step explanation:
20.70/90= 0.23 per foot
30*.23= 6.90
It'll cost $6.90 for 30 more feet.
 
        
             
        
        
        
Answer:
4
EXPLANATION STEP BY STEP
the radius of 8 is 4 because 4 is half of 8 and when u uh divide 8 by 2 u get 4 so if 4 is the answer.