Answer:
Paul might have written the expression  .
.
Step-by-step explanation:
Given:
Length of the leg 1 = a
Length of the leg 2 = b
Hypotenuse = h
We need the expression Paul has written:
Solution:
Now we know that;
The figure sketched by Paul is a right angle triangle.
Now by Pythagoras Theorem which states that;
"The square of the length of the hypotenuse is equal to sum of the square of the length of the legs."
equation can be framed as;

Hence Paul might have written the expression  .
.
 
        
             
        
        
        
Answer:
Answer in above picture 
Step-by-step explanation:
Option b is correct answer 
 
        
                    
             
        
        
        
Answer:
14.52
Step-by-step explanation:
13.57 + 13.57 x 7% = 13.57 x (1+7/100) =13.57 x 107/100 = 14.52
 
        
             
        
        
        
B. Sandwich costs $7.70 and the soda costs $2.20
        
             
        
        
        
Answer:
1968
Step-by-step explanation:
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