Length - l
Width - w
Given,
Perimeter = 60 
2(l +w) = 60
l + w = 30 
l = 30 - w
Given,
l = 3w
30 - w = 3w
4w = 30
--- w = 7.5
--- l = 3w = 3 * 7.5 = 29.5
Hence, the length of the rectangle is 29.5 and the width is 7.5
        
             
        
        
        
Answer:
A
 [2, -4, -6, -2]
Step-by-step explanation:
 
        
             
        
        
        
Answer:
A, C, and D.
Step-by-step explanation:
The other does not go through the origin, therefore it is not proportional.
 
        
             
        
        
        
Step-by-step explanation:
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