Answer:
The answer is D, about 40 miles.
Explanation:
Use the pythagorean theorem.
Distance between Seaside & Landview: 6
Distance between Landview & Oceanfront: 5
6^2 times 5^2 =
times 5 = 39.05124838
39.05124838 ≈ 40
Sorry I took so long. I hope this helps!