Question

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Answer 1

Answer:

20.d

21.a

22.d

23.c

24.c

25.d

26.a

27.a

28.a

29.b

30.c

Answer 2

20.D. None of these

21.A. A unique solution

22.D. Whole number

23.C. 2

24.C. -2

25.D. 4

26.A. Intersecting

27.A. Theorem

28.A. True

29.B. 1

30.C. Circular