Need help on understanding how to do this one. Work would be very helpful.

Find the value of the variable and the length of each secant segment

The highest point on earth is the peak of mount everest if you climb to the top you would be approximately 29,035 feet above sea level at remembering that amount is 5280 feet percentage of the height of the mountain would you have to climb to reach a point 2 miles above sea level

If you answer right ill give brainliest, : )