Answer:
first one
2m=1 == 2+m-1+m
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
(x - 5)(x + 3)
Step-by-step explanation:
Given
x² - 2x - 15
Consider the factors of the constant term (- 15) which sum to give the coefficient of the x- term (- 2)
The factors are - 5 and + 3, since
- 5 × 3 = - 15 and - 5 + 3 = - 2, thus
(x - 5)(x + 3) ← in factored form
 
        
             
        
        
        
Answer:
Point S is your answer. 
Step-by-step explanation:
See how all of them are rays, but they all connect at point S.
Point S is your answer. 
 
        
                    
             
        
        
        
Answer:
perpindicular slope = -2/3 
Step-by-step explanation: