Problem
Use the Pythagorean Theorem and the square root property to solve the following problem. Express your answer in simplified radical form. Then find a decimal approximation to the nearest tenth.
A rectangular park is 15 miles long and 5 miles wide. How long is a pedestrian route that runs diagonally across the park?
The response should include a reference list. Using double-space, Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.