Answer:
Step-by-step explanation:
Vance can lift 0.9×103.5 pounds. 
0.9 < 1, so you know that 
0.9×103.5 < 103.5
 
        
             
        
        
        
Answer:
no solution
Step-by-step explanation:
The lines do not cross at any point; therefore, there is no solution. 
 
        
             
        
        
        
Answer:
x=21
Step-by-step explanation:
well, geez - just do the math!
3/7 * 49 = 21