Answer:
I dont really understand this notation, but it should be C or D. If the inequality includes 2, its C. If it doesn't include its D. Most likely it includes im guessing but Im not sure. So if you know how this notation works, its C or D. C for including 2 and D for excluding 2.
<h2><u>
Answer: Probably C but can be D</u></h2>

We know that
.
Solve using cross multiplication of the last two fractions. I will use
to represent the width of the rectangle. 
Multiply. 
Divide both sides of the equation by
. 
Answer:
no solution
Step-by-step explanation:
Answer:
-2/5
Step-by-step explanation:
The solution comes rom the formula for finding the slope of a graph: Rise/Run
In this case, the rise would be -2, because it is going down the graph 2 points. The run would be 5, because it is going to the right 5 points. Hopefully this will help you in the future.