An elevator starts at the lobby and makes 4 stops. The positive numbers stand for
going up, and the negative numbers stand for going down. Which expression gives the
total number of floors traveled during the 4 stops?

step-by-step explanation:

i think you should think about the question and not look online.

it shoild be o

step-by-step explanation:

arc length = radius * x ( in radians)

6 * pi = 18 * x

divide by 18 on each side

6 pi / 18 = x

pi/3 = x

the angle is pi / 3 radians

or   60 degrees