Use coordinates to indicate the location of the following objects:

a) the lighthouse 
b) the castle
c) the northern tip of the island 
d) the house
e) the bear

Answers:
a) [[$(2, -4)$]]
b) [[$(1, 2)$]]
c) [[$(-1, 5)$]]
d) [[$(-4, 0)$]]
e) [[$(-3, -3)$]]