a.  The construct the expression for the area of the rectangle in terms of x is y=2.5x
b. The area should be 2,560.
Given that, 
- the length of a rectangular house is two and a half times its width.
Based on the above information, the calculation is as follows:
a) The expression should be y = 2.5x
b) The area should be 
 
  
= 2560
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You multiply them together; to get 8.55
        
             
        
        
        
Eight hundred seventy six thousand five hundred forty three.
        
                    
             
        
        
        
Answ
x and y coordinates
Step-by-step explanation:
 
        
                    
             
        
        
        
The answer is "If it does not have four legs, then an animal is not a deer."
To form the contrapositive, switch the hypothesis and the conclusion and negate both.
The hypothesis is the "if" part and the conclusion is the "then" part.