Answer the following questions.
a. a herd of wild animals moves in the following directions
from a starting point in search of water: 10 km north, 3
km east, 7 km west, 20 km south, and 4 km east. where
does the herd end up relative to its starting point?

b. a watering hole is 2 km west and 2 km south of the
starting point. does the herd make it to the watering
hole? if not, write down the directions the herd would
need to follow to get to the watering hole from their end
position.