This would be true because it shows that p equals either a or b and it also shows that p equals a which is true because it is one of the independent choices.
        
                    
             
        
        
        
Answer:
x=-17,y=3
Step-by-step explanation:
x+y=-14
x=x
y=x+20
x+(x+20)=-14
2x+20=-14
2x=-14-20
2x=-34
x=-34/2
x=-17
y=-17+20
y=3
 
        
             
        
        
        
Answer: 5x^2 - 3y^2 - 2xy +4
Step-by-step explanation:
(see attachment)