C. a and c, b and d
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Hello!
Answer:

Step-by-step explanation:


Therefore, the slope is 2, which is our final answer.
Hope this helps!
Have a nice day! :)
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Thank you!
There is not a gcf because one is odd and the other even
89+93+98 = 280
360 - 280 = 80 marks is needed for the last test
Answer:
that will be .... x=2,y=1 so that will be (2,1)