0 0
3
o
0
o
0
o
1
1
5
1
6
1
-3
1
3
2
7
2
12
2
-6
2
6
3
9
3
18
3
-9
3 10
4
11
4
24
4
-12
4
15
3) Which table(s) show x and yin DIRECT PROPORTION?
A) A and B only
B) B and Conly
c) Cand D only
D) D and A only