ST is not he midpoint of SN because y=15 and if you plug in you get SN to be 150 but ST is only 64 which is not half of 150
        
             
        
        
        
Answer:
1/2 of the possibilities are even number
Step-by-step explanation:
Add all of the sides together, you get 12, count on even numbers until you get to 12. 2,4,6,8,10,12. that's six numbers which is half of 12. so half of the possibilities are even.
 
        
             
        
        
        
Answer:
Sam
Step-by-step explanation:
Sam: Longest ski trail >3x    x = shortest ski trail
Eli: Longest ski train< 3x 
Sam is correct because the longest ski trail has to be greater than the shortest and it can't be less than.