Answer:
the building is 28m
Step-by-step explanation:
 
        
             
        
        
        
Answer:
5.9x + 1.4
Step-by-step explanation:
5.5 + 2.1x + 3.8x - 4.1
= 5.9x + 1.4
 
        
                    
             
        
        
        
Answer:
3.
141592653589793238462643383279502884197169399375105
82097494459230781640628620899862803482534211706798
21480865132823066470938446095505822317253594081284
81117450284102701938521105559644622948954930381964
42881097566593344612847564823378678316527120190914
5648566923460348610454326648213393607260249141273
Step-by-step explanation:
:)
 
        
                    
             
        
        
        
It is rational because it is a terminating decimal. It can be represented as a ratio of two integers (121/10)