Ahh... this is pretty easy!!
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Locomotive is 40 feet.
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Model is 16.
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So?
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Divide 40 by 16!!
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What's that?
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2.5. 
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So your answer choice is 2.5
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Hope I helped!!
        
             
        
        
        
Answer:
300 feet
Step-by-step explanation:
 
        
             
        
        
        
I think the answer is c or d if im wrong sorry hope this helped tho :p
        
             
        
        
        
I believe it is 50 degrees 
Explanation:
180-115 = 65 degrees 
Since the base angles of of an isosceles triangle are equal,
Angle C =angle A= 65 degrees
65 times 2 = 130
180-130=50
50 degrees=measure of angle B
Hope this helps