Answer:
41.03
Explanation:
Use the Pythagorean theorem (a^2 + b^2 = c^2) to find the length of the hypotenuse (c) of the right triangle, which represents the distance between the two cities: c^2 = 28^2 + 30^2 = 784 + 900 = 1684, so c = sqrt(1684) = 41.03 miles (rounded to two decimal places).