Answer:
The dependent variable: the total cost
The independent variable: the amount of books
If the equation is y = 8x + 200
y would be the dependent variable and x would be the independent variable
I hope this helps.
Multiply the first equation by -1
-3x-y=-4
2x+y=5
Add them up
-x=1
So x=-1
And y=7
So the first option is correct
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I think you forgot to give the options along with the question. I am answering the question based on my research and knowledge. "Some customers who rate their service as high quality return for additional services" is the conclusion that can be drawn from this study. I hope that the answer has actually come to your desired help.
Answer:
5 hours
Step-by-step explanation:
4/5 is 20 of 25, so there are 5 hours left which is your answer!
