Answer:C=2πr=2·π·2≈12.56637in
Step-by-step explanation:
 
        
             
        
        
        
The answer is -9. Have a great day
        
                    
             
        
        
        
12x = 12; x = 1
That simple
        
             
        
        
        
Answer:
78.54 m^2
Step-by-step explanation:
The computation of the area of the circle is shown below:
As we know that
Area of the circle = πr^2
Also
Diameter = 2r
10 = 2r
r = 5
So, the area of the circle is 
=  3.14 × 5^2
= 78.54 m^2
 
        
             
        
        
        
Answer:
plot points 
y=-2x+1
(0,1)
(1,-1)
plot points 
y=-5x+4
(0,4)
(1,-1)
Step-by-step explanation: