3(18 - x/3 = -7)
54-x = -21
-x = -75
x = 75
        
             
        
        
        
You’re answer is a
Please mark brainliest
        
             
        
        
        
Answer:
Student B did the problem corectly 
Step-by-step explanation:
Student a did 3*4 while student B did 3*3*3*3 which would equal 27 
 
        
             
        
        
        
Answer:
A unit cube has one cubic unit of volume.
Another unit cube with the same length, width and height as the unit cube shown would have the same volume
 
Step-by-step explanation:
A cube is a shape formed from the combination of a square.
A cube has equal sides.
But a unit cube has equal sides and equal volume to be equal to one, i.e unity.