Answer:
To write repeated multiplication of the same number in exponential notation, first write the number being multiplied as the base. Then count how many times that number is used in the multiplication, and write that number as the exponent.
Step-by-step explanation:
 
        
             
        
        
        
Answer:
<u>Same side angles are supplementary</u>
L+k=180
18x-18+72=180
18x=126
x=7
m∠18(7)-18
= 108°
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hope it helps...
have a grat day
 
        
             
        
        
        
Step-by-step explanation:
hope this will help you.
 
        
                    
             
        
        
        
Answer:
its option B: r=(3xy)/(x-2y)