The answer is 15 I’m pretty sure
        
             
        
        
        
Answer:
11. 
12. 
13. 
14. 
15. 
16. 
17. 
18. 
Step-by-step explanation:
In all of them you just subtract the bottom exponent from the top exponent. 
 
        
                    
             
        
        
        
84/56=1.5 - it is 1% of number
1.5*100=150
Answer: 150
        
             
        
        
        
Answer:
A, B, and D all only have one solution. 
Step-by-step explanation:
 
        
             
        
        
        
Answer:
4 units
Step-by-step explanation:
because the points have the same x-coordinate, we just need to subtract the y-coordinates to find the distance.
5 - 1 = 4
therefore, the length of the segment is 4 units.
hope this helps! <3