Answer:
3ft 4in
Step-by-step explanation:
2÷6=3 6÷8=0.75. 2×6=12. 12-6=6 6-2=4 4-1=3 3-1=2
 
        
             
        
        
        
I believe the answer is "true".
        
                    
             
        
        
        
Answer:
Option C -> None of the above. 
Step-by-step explanation:
Given- 
2 r + ( t + r )
<em>⇒ 2 r + t + r</em>
<em>⇒ 2 r + r + t</em>
<em>⇒ 3 r + t</em>
∵ 2 r + ( t + r ) = 3 r + t.
∴ The given expression is equivalent to Option C : None of the above. 
 
        
                    
             
        
        
        
It should be 13.8. hope this helps