Y = mx + b
slope(m) = 3/4
(5,-4)...x = 5 and y = -4
now we sub
-4 = 3/4(5) + b
-4 = 15/4 + b
-4 - 15/4 = b
-16/4 - 15/4 = b
- 31/4 = b....or - 7 3/4 = b
so ur equation is : y = 3/4x + (-31/4) or y = 3/4x - 31/4
        
             
        
        
        
Answer:
129+57i
Step-by-step explanation:
 
        
                    
             
        
        
        
300 + 0+ 1, 200 + 50+ 6, 800 +70 + 8.