Answer:
16
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
5/10
Step-by-step explanation:
5+5=10. so 5 empty 0/10 5 shaded 5/10
 
        
             
        
        
        
Answer:
x=1
y=-1/2
Step-by-step explanation:
x+2y=0....(1)
10y=-5.....(2)
From (2) we can find y.
y=-5/10
y=-1/2
Use that in (1)
x+2*(-1/2)=0
x-1=0
x=1