Answer: -0.25
Explanation:
        
                    
             
        
        
        
Answer:
so, 15 divided by 3 is 5. so the constant of proportionality is 5. and 60 seconds for the minute, divided by 5 is................12. 
if this is wrong im sorry. Hope i helped!
 
        
             
        
        
        
Answer:
6
Step-by-step explanation: think of it this way. When you adding a positive to a negative, you simply taking the negative away from the positive. So in this case, you are subtracting 2 from 8 to get six. Or, its the difference between the positve and the negative!! Hope this helps!
 
        
                    
             
        
        
        
Since the interior is 170 the exteriro must be 10 degrees. There is a total of 360 degrees so 360/10=36 or 36 sides.
        
             
        
        
        
Answer:
x=6
Step-by-step explanation:
x + 6 = x + x        original problem
x + 6 = 2x            combine like terms
-x      = -x             subtract x from both sides to have like terms on each side
6 = x                    solution