1) Vertical angles-the angles will equal each other.
8+7x=9x-4
12+7x=9x
12=2x
x=6
2) Supplementary-Angles will add up to 180
6+13x+7x+14=180
20+20x=180
20x=160
x=8
        
             
        
        
        
Answer:
The product of terms 2x + y and 5x – y + 3 is:
Step-by-step explanation:
We need to multiply the two terms

The product of terms 2x + y and 5x – y + 3 is:
 
        
                    
             
        
        
        
Its 5 because if u do 3x 5 it equals 15 then subtract 2 it gives u 13
        
                    
             
        
        
        
There are 1875 shares in the company i believe