Answer:

1.There are 8 (2^number of elements in the set) subsets of A, and all of them except A itself are considered proper subsets. So the proper subsets of A are: {}, {a}, {b}, {c}, {a, b}, {a, c}, and {b, c}.

2.(4), (6), (8), (9), (10), (4,6), (4,6,8), (4,6,8,9,), (4,8), (4,8), (4,9), (4,10), (6,8),(6,8,9), (6,8,9,10), (6,9), (6,10), (8,9), (8,9,10), (8,10), (9,10)

explanation:

pa brainlist po

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