For this case we have that by definition, the area of a rectangle is given by:

Where:
w: Is the width of the rectangle
l: is the length of the rectangle
According to the data of the statement we have:

So, the length is given by:

We factor the numerator:

We simplify:

So, the length is 
Answer:

The answer is A I believe but I might be wrong.
Answer:
37.5 square units
Step-by-step explanation:
A=a+b/2h => 5 + 10 / 2 x 5
we know there are 5280 feet in 1 mile, and there are 3600 seconds in 1 hour.
