An amusement park wants to design a roller coaster that rises 60 feet above the ground and then drops the same distance below ground through a tunnel.
Options: -60, 0, 60
A. What number on a number line would represent the underground depth?
B. What number on a number line would represent the height above the ground?
C. What number on a number line would the ground represent?
A. -60 (since the roller coaster drops 60 feet below ground)
B. 60 (since the roller coaster rises 60 feet above ground)
C. 0 (since the ground represents the level of the number line)