Answer:
C
Step-by-step explanation:
Recall the equation for a circle: 
 , where the center is (h,k) and the radius is r.
, where the center is (h,k) and the radius is r. 
The given equation is: 

Another way to write this is: 

Thus, we can see that h=-5 and k=-7. 
The center is at (-5, -7). 
 
        
             
        
        
        
Answer:
25
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
no
Step-by-step explanation:
 
        
             
        
        
        
This is the answers from MathPapa
 
        
        
        
Step-by-step explanation:
Given,
a=3,b=2,c=5
a)a(b+c)
=3(2+5)
=3×7
=21.
B)2ac^2
=2×3×(5)^2
=6×25
=150