The answer is the one that is $42. It is the lowest cost for the amount of flannel you get and the quality.
7+9=x+1
X=15. I think this is what you are asking not sure tho
Debit equipment and credit capital
Well on a table of data, if the y coordinates increase a lot over a short x distance then it will be steep.
In an equation, you would put it into y = mx + b form and whatever your m is will be your slope. If m is large, it will be steep.