Write the problem as an equation:
5n <65
Solve for n by dividing both sides by 5:
n <13
Because the inequality does not contain an equal sign, n (13) is not included in the answer so there would be an open circle on the number 13 
The correct answer would be A.
 
        
             
        
        
        
Answer:

Step-by-step explanation:

Distribute negative sign.

Combine like terms.


 
        
             
        
        
        
Answer:
x=-5
Step-by-step explanation:
2x+10=0 
2x=-10
x=-5
 
        
                    
             
        
        
        
Answer:
is that the number in the middle = then more the -3 to 2x add in you get 1 being y=1 so 1 -3 is 2x