X = 5. Since the shape is a rectangle. you know those opposite sides will be equal in length. So you have to set the two terms equal to each other and then solve for x.
I have attached a picture of the work.
I hope this helps. (:
first u do the the thing in the parenthesis and then u multiply it by 67 and then add 9
The dimension from 8 inches to actual size is 8 * 15 = 120. 14.5 inches to actual size is 14.5 * 15 = 217.5.
Then, you multiply 120 to 217.5 to get 26100 square miles.
The answer is D.
Step-by-step explanation:


Expand,

=

So the third choice would be your answer!
Hope this helps!