Answer:
2, 19, -3
Step-by-step explanation:
 
        
             
        
        
        
^ this guy is a scammer don’t click the link
        
             
        
        
        
The volume of a rectangular prism is:
V=xyz where x,y,z are the dimensions...
In this case:
V=5*(2 1/2)*(1 1/2)
which is equal to 
V=(12 1/2)*(1 1/2)
So the top one and the third one down are the correct volume.
        
             
        
        
        
3/4 of a cup plus 3/4 of a cup equals one and a half cups 3/4 cup plus 1/4 equals one cup and that leaves 1.3 cup so answer is one and a half cups