Answer:
the answer is 14 units 
Step-by-step explanation:
 you're welcome 
 
        
             
        
        
        
To find the superficial area of a prism you have to do base perimeter * height
So find the perimeter of the right triangle: 9+8+5 = 22 yd
Then find the superficial area 22*12 = 264 yd^2
        
             
        
        
        
X=4
y=-4
hope this helps u out :)
        
             
        
        
        
Answer:
7
Step-by-step explanation:
Step 1:
18 - 5w + 7w - 4 = 28
Step 2:
14 + 2w = 28
Step 3:
2w = 14
Answer:
w = 7
Hope This Helps :)
 
        
                    
             
        
        
        
Answer:
2 cups
Step-by-step explanation:
3 + 3 = 6 (one cup)
4 + 2 = 6 (two cups)