Tell which quadrant each of the following points is located in: I, II, III, or IV.
11. (20, 10) -
10. (-9,17) -
9. (15, -12)
13. (30,-8)
12. (-6, -23)
14. (-5.-5)
16. (-14,-2)
17. (-8, 35)
15. (18, 10)
Can anyone help me I did not know how to do it