Elevator 1 in a building moved from ground position to a final position of +20 feet. Elevator 2 in the same building moved from ground to a final position of –30 feet. Which statement best describes the final positions of these two elevators? (1 point)

a
Elevator 1 is 20 feet above ground level, and elevator 2 is 30 feet below ground level.
b
Elevator 1 is 20 feet below ground level, and elevator 2 is 30 feet above ground level.
c
Elevator 1 is 20 feet above ground level, and Elevator 2 is 30 feet below the position of Elevator 1.
d
Elevator 1 is 20 feet below ground level, and Elevator 2 is 30 feet above the position of Elevator 1.