Lines A and B are parallel to each other. Lines B and E are perpendicular to each other. 
        
             
        
        
        
Answer:
The answer is between first option and last option.
Step-by-step explanation:
That my Contributions to this questions
 
        
             
        
        
        
Answer:
C. 8 
Step-by-step explanation:
![\because \:  {s}^{3}  = 64 \\ s =  \sqrt[3]{64}  \\ s = 4 \\ side \: of \: cube = 4 \: units \\ when \: side \: is \: halved \\ new \: side \: length =  \frac{4}{2}  = 2 \\  \: new \: volume =  {2}^{3}  = 8 \: cubic \: units](https://tex.z-dn.net/?f=%20%5Cbecause%20%5C%3A%20%20%7Bs%7D%5E%7B3%7D%20%20%3D%2064%20%5C%5C%20s%20%3D%20%20%5Csqrt%5B3%5D%7B64%7D%20%20%5C%5C%20s%20%3D%204%20%5C%5C%20side%20%5C%3A%20of%20%5C%3A%20cube%20%3D%204%20%5C%3A%20units%20%5C%5C%20when%20%5C%3A%20side%20%5C%3A%20is%20%5C%3A%20halved%20%5C%5C%20new%20%5C%3A%20side%20%5C%3A%20length%20%3D%20%20%5Cfrac%7B4%7D%7B2%7D%20%20%3D%202%20%5C%5C%20%20%5C%3A%20new%20%5C%3A%20volume%20%3D%20%20%7B2%7D%5E%7B3%7D%20%20%3D%208%20%5C%3A%20cubic%20%5C%3A%20units)
 
        
                    
             
        
        
        
Answer:
10x + 6
Step-by-step explanation:
3x - 5 + 7x + 11
10x - 5 + 11
10x + 6