The part D is the correct one... 
 
        
             
        
        
        
Answer:
The answer is 40 Centimeters.
Step-by-step explanation:
This answer is correct since there are 4 rows of 10, creating the Rectangular prism.  i hope this helped!
 
        
             
        
        
        
Answer:
2y+6
Step-by-step explanation:
2 negatives equal a positive
 
        
             
        
        
        
Answer:
g=-19+9
g=-10
Step-by-step explanation: