(1) The train travels 4 miles per gallon.
(2) The slope of the graph is 
Explanation:
(1) The miles that train travels per gallon is given by

Dividing, we have,

Thus, the train travels 4 miles per gallon.
(2) To determine the slope, let us consider two points from the graph.
The coordinates are
and 
Thus, substituting the coordinates in the slope formula, we get,

Simplifying, we have,

Thus, the slope of the graph is 
Answer:
The answer its C
Step-by-step explanation:
She walks 3 mph because when you divide it by 2 it will equal
3 miles in 1 hour
Answer:
$300
Step-by-step explanation:
I did have an explanation here but someone *cough* *cough* laurenercsp6fpli deleted all my answers for no reason. But I did the math and I assure you that the answer is $300.
Answer:
Translation
Step-by-step explanation:
To explain say: you should slide a shape vertically or horizontal or in both on the plane to map it.
PS on my program it shows me that answers to study it so I know this is right