Find the rational, irrational, and non real roots

Me with this one question, and i'll upvote the brainliest answer

Two cities a and b are 1400km apart and lie on the same n-s line. the latitude of city a is 23 degrees. what is the latitude of city b. the radius of the earth is approximately 6400km.

Write each rational number in the form a/b, where a and b are integers. 1. 5 1/6 2. -12