Answer:
7.211
Step-by-step explanation:
-For two points in the complex plane, the distance between the points is the modulus of the of the difference of the two complex numbers.
-Point 2-4i has the coordinates (2,-4)
-Point 6+i has the coordinates (6,1)
#We must find the distance between the two coordinates (2,-4) and (6,1):

Hence, the distance between the two points is 7.211
 
        
             
        
        
        
180 degrees is the answer
        
                    
             
        
        
        
Monthly payment - $7,200
Down payment - $1,000
Residual value - $9,000
Total cost of the lease - 17,200