Well, to start with, 1 meter = 3 feet.
5 meters = 15 feet.
10 meters = 30 feet.
so 5 meters is 15 feet, and 10 meters is 30 feet. Hope this helps:)
B (2<3)and C (4+3=7) maybe
By answering the questions in your head its simple
Answer:
it's 1 because it subtract the sides
