Answer:
slope is m 
y = mx + b is your standard formula 
slope = -3
Step-by-step explanation:
 
        
             
        
        
        
Answer:
Ellie can make eight stacks of quarters with four quarters in each stack
Step-by-step explanation:
 
        
             
        
        
        
Answer:
75.2
Step-by-step explanation:
multiple 8 by 9.4
 
        
             
        
        
        
To find the pre-image we work backwards. Since the coordinates one of the translated image is (5,-3) and this image was translated with the formula (x+4, y-2), then we can just work backwords. 
(x-4, y+2) --> (5-4,-3+2) -->(1,-1)
The correct answer is (1,-1)