Answer:
If the gift card is $30 the remaining change is 3 dollars
I think it’s the number 3 I’m not sure I’m learning this stuff rn I’m getting the hang of it just it’s hard and not hard at the same time
X= -4 for solving x and y= 0 for solving y
It is 2/3 I believe
By calculating the difference between the x and y coordinates, and putting it in the rise/run format, you can easily find the slope of the line