Answer:
9.35975609756
Step-by-step explanation:
Its about this I just put it into a calculator
 
        
                    
             
        
        
        
"a "and "b^2-4ac" must be negetive
        
             
        
        
        
Answer:

Step-by-step explanation:
Property used: <em>An exterior angle of a triangle is equal to the sum of the opposite interior angles.</em>

 
        
             
        
        
        
Answer:
paraell
Step-by-step explanation:
 
        
             
        
        
        
Answer:
Step-by-step explanation:
1.
Equation one:
x = -5, x = -1 (Both are real)
Equation two:
No real solutions
Equation three:
x = -3 (Real)
Equation four:
No real solutions
2.
The easiest way to figure out if an equation has real solutions is to factor it. If it is factorable, then it has real solutions. If it isn't, then it doesn't have real solutions.