Which table or tables below show a proportional relationship? Justify your answers.
a.
b.
C.
8
Y
8
Y
8
G
5
7
9
13
7
14
31/12 7
3 -10
27 -1000
9
17
91
45/1/2
0
0
-8
-17
9
4-
10
1000
0
-19
-12
6
5
125
11
21
36
18
4
48
15
29
81
40-
12