Analyze maps based on the information in the map, when were the majority of the national parks established? what region of the country hold the largest park

well michelle wanted to measure the height of her school's flagpole she placed a mirror on the ground 48 feet from the flagpole then walk 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 ft from the mirror using similar triangles find the height of the flagpole to the nearest tenth of a foot find the geometric mean of them pair of numbers so yeha lol

im not sure on this one

i don't think it's c or d. i think it's either a or b.

hope this .

a 3 branch government