Answer:
You seem to have two questions, so I will answer both!
Step-by-step explanation:
The answer for the cube volume is D
If you remove a cube from another cube it is affecting more than one side, hence the -1 on two differents p's.
The true area of that house is 48m^2
Take the before scaling it, multiply it by the scale (200) 
Square your answer and get around 48 m^2
(You actually get like 48.9897 etc, but we are kind of ignoring that)
 
        
             
        
        
        
Answer:

Step-by-step explanation:
See photo for steps. 
 
        
             
        
        
        
Answer:
who will answer??
Step-by-step explanation: