Divide across and just bring down the numbers
        
             
        
        
        
Part b is $638.40
Part c is $1,641.6
        
             
        
        
        
Answer:
red line is 4x+y=3 and blue line is 2x-3y=3
Step-by-step explanation:
 
        
             
        
        
        
Answer:
y = 3/4x + 3
Step-by-step explanation:
you should only have y in one side and everything in other side of the equation. so you will first have -4y = -3x -12 , then you'll have to divide the right part of the equation by -4 . then you will have y = 3/4x + 3 
 
        
             
        
        
        
The 3 numbers are 3.65, 3.66, 3.67