Answer:
56 total units
Step-by-step explanation:
Here is what the plane would look like if the figure and points were drawn.
 
        
                    
             
        
        
        
Answer:
15
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
0.05? 
Step-by-step explanation:
0.2 are taken by oarents
3/4 = 0.75 were taken by parents
0.20 + 0.75 = 0.95
1.00 - 0.95 = 0.05