Answer:
Positive 2
Step-by-step explanation:
its like ur subtracting 9+ (-7)
its basically 9-7=2
but not all problems r like this.
Brainlest plz
 
        
             
        
        
        
Answer:
Outlier!! I know it sounds like a cat poster but it's true
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
7
Step-by-step explanation:
number of diagonals in a regular polygon = number of sides - 2.
A nonagon is a polygon having 9 sides. 
Total number of diagonals in a regular nonagon
= 9 - 2 
= 7
 
        
             
        
        
        
Hanap ka nalang sa google vhie d ko den alam eh
        
                    
             
        
        
        
Answer:
x= -4 & y=-12
Step-by-step explanation:
multiply y=3x by 2 
giving you 2y=6x
subtracting 2y=x+20 from 2y =6x
=> 5x=-20
dividing through by 5
=> x=-4
put x=-4 into y=3x
=> y=3(-4)
<em>y</em><em>=</em><em>-12</em>