Which ordered pair could you remove from the relation {(–1, 0), (1, 3), (2, 2), (2, 3), (3, 1)} so that it becomes a function?   (1, 3) or (2, 3) (2, 3) or (3, 1) (1, 3) or (3, 1) (2, 2) or (2, 3)

Geometry ? i don't know how to do any of these.

Which of the greatest common gcf of 32 and 48 a 16 b 96 c 8 d 32

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?