Answer:34.4
Step-by-step explanation:
172.5-137.1=34.4
 
        
             
        
        
        
Hi!
We will solve this using ratios, like this:
4 1/2 = 4,5 kg of olive oil for 27 $
1 kg of olive oil for x $
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x = (27*1)/4,5
x = 27/4,5
x = 6 $ per kilogram
Hope this helps!
 
        
             
        
        
        
Answer: see the graphic 
Step-by-step explanation:
A. Type I error helps us to conclude that the flight is not profitable, when in fact it is profitable.
B. a = 0.05
C. Type II error does not show that the flight is profitable
 
        
             
        
        
        
<span>A(x, y) → (x - 3, y + 1)</span>