an airplane rises at an angle of 12 with the ground. About how high, in feet, will the plane be above the ground when it has travelled 500 yards from the airport horizontally?

Renee hiked for 6 3/4 miles. after resting, renee hiked back along the same route for 5 1/4 miles. how many more miles does renee need to hike to return to the place where she started? represent your answer as a simplified mixed number, if necessary.