To solve this problem you must apply the proccedure shown below:
 1. You have that the following information given in the problem above: The<span> photograph is reduced by a scale factor of 3/8 and the original had a length of 20 inches, 
 2- Therefore you have:
 length=20 inches-</span>(20 inches x 3/8)<span>
 length=20 inches-7.5 inches
 length=12.5 inches
 3- Then, as you can see, the answer is: 12.5 inches.</span>
        
             
        
        
        
Answer:
Group 2
Step-by-step explanation:
Because in group 2 they have more 46 year old tourists so it is most likely that the random 46 year old belongs to group 2.
 
        
             
        
        
        
Answer:
False
Step-by-step explanation:
The same function input (the first number in the pair) cannot have two different outputs (the second number in the pair). 
(6, 4) 4 is one output.
(6, -4) -4 is another output.
 
        
             
        
        
        
Line a and b are perpendicular
        
             
        
        
        
Coefficients are ,5,20 variables are w,m and constant is 50