Answer - 42 Sandwiches 
Explanation -
56 is what you start out with. you will need to find 25% of those 56 to see the remaining. So 25% of 56 is 14 because .25 x 56 is 14. You then subtract 56 from the 14 Tuna sandwiches and you’re left with 42.
        
             
        
        
        
Answer:
Domain: The domain is the set of all possible x-values which will make the function "work", and will output real y-values.
Range: The area of variation between upper and lower limits on a particular scale.
Step-by-step explanation:
 
        
             
        
        
        
If you substitute the values for x and y you will find that D. is the only function which satisfies the given values.
        
             
        
        
        
A. There are many solutions because there are many values for the variables that make the equation true.