Answer:
10. d
11. c
12. a
13. a
14. b
15. c
16. a
17. abc (1)(-1)(2) -2
—— = ———— = —— or 1
xy (-2)(1) -2
18-20
degree = 2
classification= 1 term
d=2 = 8(2)²=8(4)=32
