Answer:
 

C.E.: x <em>=/=</em> -4
Step-by-step explanation:

 
        
             
        
        
        
Answer:
Final cost = 0.9328y
Step-by-step explanation:
Assume,
Original price = y
Given:
Discount = 22%
Sales tax = 6%
Computation:
Sales tax will be added on sale value
So,
Sales price = y[100%-22%]
Sales price = 0.88y
Price after sales tax :
Final cost = 0.88y[100% + 6%]
Final cost = 0.88y[106%]
Final cost = 0.9328y
 
        
             
        
        
        
Answer:
68.965
Step-by-step explanation:
 
        
                    
             
        
        
        
D.) Nanometer is the smallest among your options.
It is equal to 10^-9
Hope this helps!
        
                    
             
        
        
        
Answer:
17550 solutions
Step-by-step explanation:
Given that:
y1 +y2+y3+y4=27
where;
(yi  ≥ 0 and yi  
  )
  )
The no. of a nonnegative integer determines the number of ways to choose 27 objects from (4) distinct objects with repetition regardless of the order.
i.e 

∴
 The number of nonnegative integer solution is 





= 17550 solutions