Answer:
<u>Regular Polygon:</u>
<em>C, E  </em>(All sides and angles are equal)
<u>Irregular Polygon:</u>
<em>A, B, </em>(Not all sides or angles are equal)
<u>Not a Polygon</u>
<em>E, F </em>(There are curves and not a closed shape)
Hope this helps! Comment if you have any questions :)
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The son's age is 31 and the father's age is 61.
2s-3=f
f-s=30
f=61
s=31
        
                    
             
        
        
        
Answer:
a) Arithmetic    yₙ = 3*(n - 1) + 13
b) Geometric   yₙ = 2*5⁽ⁿ⁻¹⁾
Step-by-step explanation:
 
        
             
        
        
        
Healthcare workers use it often to Treat diseases
        
                    
             
        
        
        
Answer:
here
Step-by-step explanation: