Answer:

Step-by-step explanation:
The point-slope form of the equation of a line:

m - slope
(x₁, y₁) - point
We have the slope m = 2 and the point (3, -1). Substitute:

The dimensions would have to be 20 x 5 as the model holds the same amount for each side, and because 5 is larger than 4 its used as the models stand.
Hope it helps! :)
The answer of this question is B
Yes because they're the same