Answer:
The check he meant to write would be recorded as - $8.98 because he was losing money, and the one he wrote would be recorded as +8.98 because it is adding to the money he already has. The difference is that one makes his account balance higher, and the other makes it lower.
 
        
             
        
        
        
D I believe I hope this helps :)
        
             
        
        
        
B, plug in x=1, y=0
plug in x=0, y=4
        
             
        
        
        
Answer:
We need more info. We need to know what y equals or what x equals.
Step-by-step explanation:
 
        
                    
             
        
        
        
The values of x and y that satisfy this system of equations are 10 and 5 respectively
<h3>Simultaneous equation</h3>
Given the system of equations
x + y = 20
3x - 3y = 30
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x + y = 20
x - y = 10
Add the equations
2x = 20 + 10
2x = 30
x = 30/2
x = 15
Substitute
x -y = 10
15 - y = 10
y = 5
Hence the values of x and y that satisfy this system of equations are 10 and 5 respectively
Learn more on simultaneous equation here: brainly.com/question/16863577
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