Answer:
The answer is in the attachment!
Step-by-step explanation:
 
        
             
        
        
        
Answer:
18cm
Step-by-step explanation:
 
        
             
        
        
        
Answer:
6.23 gallons per square foot
Step-by-step explanation:
623/1000 = 6.23
 
        
             
        
        
        
I think that the answer is b
 
        
             
        
        
        
Answer:
Step-by-step explanation:
hello : 
x²+ y² -12x - 18y +17 = 0 means : (x²-12x+36)-36+(y²-18y+81)-81-27 =0
(x-6)²+(y-9)² =12²....standard form when the center is (-6 , 9) and radius 12