Answer:  
5 and 11/50  
Step-by-step explanation:
5.22 = 261/50 = 5 and 11/50
 
        
             
        
        
        
Answer:
400/1000×100%
40% is the percent of decrease from 1,000 to 400.
 
        
             
        
        
        
Answer:

Step-by-step explanation:
<u>Equation of a circle</u>

(where (a, b) is the center and r is the radius)
Given:
- center = (5, 1)
- diameter = 4√5
Diameter = 2r (where r is the radius)
⇒ r = 4√5 ÷ 2 = 2√5
Substituting these values into the equation:


 
        
             
        
        
        
Answer:
I don't know this at all I'm sorry, but ur down bad yo 
Step-by-step explanation:
 
        
             
        
        
        
C = 0.25r
this is becasue quarters have a value of 0.25 and c is the total cents 
hope this helps and have a great day! :)