Answer: C. 12 girls
Step-by-step explanation:
 
        
             
        
        
        
Answer:
100 N to the left 
Step-by-step explanation:
They have to be equal and opposite to balance, so they will need a force of 100 N to the left 
 
        
             
        
        
        
Answer:
least to greatest in order: -5/2(-2.5), -2.5, -2, -1.75, -1, 1.75, 9/4(2.25)
 
        
             
        
        
        
Answer:
x=1 if that's 15 x
Step-by-step explanation: