Question

plz answer this question​

Answer 1

Answer:

please mark as brainlieast...... ⭐⭐⭐⭐

Answer 2

Answer:

1) (1,5); (2,6); (4,8); (3,7)

2) (4,5); (3,6)

3) (1,8); (2,7)

4) (1,3); (2,4); (5,7); (6,8)