Answer:
   r = 5sec(θ)
Step-by-step explanation:
The usual conversion is ...
   y = r·sin(θ)
   x = r·cos(θ)
__
The second of these can be used here.
   r·cos(θ) -5 = 0
   r·cos(θ) = 5
   r = 5/cos(θ) = 5sec(θ)
A suitable polar equation is ...
   r = 5sec(θ)
 
        
             
        
        
        
Answer: 25%. 
Step-by-step explanation:
5/20= 0.25 or 25%
 
        
                    
             
        
        
        
Answer:
The answer is 43
Step-by-step explanation: