Need help on 2, and 3

Answer:
1)
Latitude: equator is axis, range is 0- 90, how far north to south, y-axis
Longitude: prime meridian is axis, range is 0-180, how far east to west, x-axis
2)
3N° 170°E, 10°S 170°W
Explanation:
2) First off, the two things you must know about coordinates are:
So by using the last rules, you eliminate most of those coordinates.
Which of course means we could eliminate the last two, and we get our answer.
I hope this helps and I am not too late! I wish you luck on your assignment!