Answer:
x=11
Step-by-step explanation:
7x-9-4(x-1)=28
7x-9-4x+4=28
3x-5=28
3x=33
x=11
 
        
             
        
        
        
A) The with is 8 inches. You would do 32/4 to get your answer
B) The perimeter is 12. P=l+w so P=8+4 which is 12.(P stands for perimeter  
        
                    
             
        
        
        
Answer:
Step-by-step explanation:
2
RESULT
A, B, D
 
        
             
        
        
        
Answer:
2
Step-by-step explanation:
Subtract-4 from 6
 
        
             
        
        
        
Answer:
534 is the mean. 
Step-by-step explanation:
 to calculate the mean you add all the numbers together (for example this set of numbers):
785, 585, 465, 409, 495, 465 
=3204 
then divide the number of numbers that you added together , (in this case 6) 
3204/6 
=
534