Match the number with its opposite. (4 points)

Column A
1.
9.2 :
9.2
2.
-2.9 :
-2.9
3.
-1.4:
-1.4
4.
4.1:
4.1
Column B
a.
2.9
b.
-9.2
c.
-4.1
d.
1.4