Answer:
<em>15m+13</em>
Step-by-step explanation:
<em>The perimeter of a triangle is the sum of all sides.</em>
<em />
 
        
             
        
        
        
I'm gonna say it should be B. Hope I'm right
        
             
        
        
        
Answer:
Option C) c+9 is correct
The sum of the number of cars and 9=c+9 is correct algebraic expression representation for given phrase
Step-by-step explanation:
Given that c=the number of cars in a parking lot.
The phrase given is "the sum of the number of cars and 9"
To find the algebraic expression which represents the given phrase :
The algebraic expression to the given phrase is c+9
That is option C) c+9 is correct
The sum of the number of cars and 9=c+9 is correct algebraic expression representation for given phrase
 
        
             
        
        
        
54:450*100 =
(54*100):450 =
5400:450 = 12