Answer:
for the first one it's 119z−110
the second one is 31n−39
i'm not sure if you wanted both together 
so here just incase 
31n+119z−149
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
A. 2(8)+2(w)=26
B. 16+2w=26
Subtract 16 from both sides of the equation
2w=10
Divide both side by 2
The width is 5
Step-by-step explanation:
 
        
             
        
        
        
First find the area of the rectangle, then remove the circular area.
AB * AJ = 8 * 18 = 144 sq cm
Circle = 

=

=3.14 * 16
=50.24 sq cm
144 - 50.24 = 93.76 sq cm shaded area.