Answer:

The value of x is inversely proportional to the difference of <em>a</em> and <em>b</em>.
Step-by-step explanation:
The given expression is 
We factor the left hand side to get:

We divide both sides by: a-b

Observe that the difference of a and b is in the denominator.
The whole is of the form: 
The value of x is inversely proportional to the difference of <em>a</em> and <em>b</em>.
Answer:
Line B
Step-by-step explanation:
I found the slope of Line B, it was -2, by looking at the distance rise/run between two points in the line.
Hope this helps. :)
Answer:
$3.00
Step-by-step explanation: