Answer:
Option (2)
Step-by-step explanation:
Given:
AC is an angle bisector of ∠DAB and ∠DAB
m∠BCA ≅ m∠DCA 
m∠BAC ≅ m∠DAC
To Prove:
ΔABC ≅ ΔADC
Solution:
                Statements                                  Reasons
1). m∠BCA ≅ m∠DCA                            1). Given
2). m∠BAC ≅ m∠DAC                           2). Given
3). AC ≅ AC                                            3). Reflexive property
4). ΔABC ≅ ΔADC                                 4). ASA property of congruence
Therefore, Option (2) will be the correct option.
 
        
             
        
        
        
Answer:
1 4/5
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
-2
Step-by-step explanation:
rise over run or, y2-y1/x2-x1