The table shows the distance covered by a spaceship in outer space. Can the situation be modeled by a linear equation? If possible, write a linear model that represents the distance traveled as a function of time. SOLVE FAST WILL GIVE BRAINLEST IF CORRECT

Michele wanted to measure the height of her school’s flagpole. she placed a mirror on the ground 48 feet from a flagpole, then walked backwards until she was able to see the top of the pole in the mirror. her eyes were 5 feet above the ground and she was 12 feet from the mirror. using similar triangles, find the height of the flagpole to the nearest hundredth of a foot.