Answer:
-10 I think
Step-by-step explanation:
I used a calculator
 
        
             
        
        
        
So than you check this graph so you see that the radius has a length of 4 units 
from what result that thet x^2 +y^2 =4 
so the choice 3rd is right sure 
        
             
        
        
        
Your answer will be letter c 
        
             
        
        
        
Answer:
i would just round 0.50 to the nearest tenth
Step-by-step explanation:
 
        
             
        
        
        
I'm pretty sure it would be "is at most" "is less than" and "does not exceed"