I hope this helps you 
Area=6^2pi=36pi
Circumference =2.6pi=12pi
        
             
        
        
        
Answer:
Yes
Step-by-step explanation:
Plug your values into the Pythagorean Theorem to check if they make sense
 
 
        
             
        
        
        
Answer:
(2*30)-6
Step-by-step explanation:
 
        
             
        
        
        
Answer:
1a: f(-2) means substituting -2 for x
1b: 65
I don't know the second one