Answer:
B
Step-by-step explanation:
if BU and BN weren't congruent, then the two triangles couldn't be proved to be congruent 
 
        
             
        
        
        
Answer:
Fraction form- 2/5
Decimal form- 0.4
Step-by-step explanation:
Distribute.
Have a good day!
 
        
                    
             
        
        
        
(a) The product of  is calculated to be
  is calculated to be 
(b)The product of  is not equal to the product of
 is not equal to the product of  
<u>Step-by-step explanation:</u>
<u>(a)</u>

b)

The product of  is not equal to the product of
 is not equal to the product of  
 
        
             
        
        
        
Answer:
0
Step-by-step explanation:
−2−(−4)−2
=2−2
=0