1) 5 and 9 a) Both even b) 5 is even, 9 is odd c) Both odd d) 5 is odd, 9 is even 2) 11 and 12 a) Both even b) 11 is even, 12 is odd c) Both odd d) 11 is odd, 12 is even 3) 3 and 6 a) Both even b) 3 is even, 6 is odd c) Both odd d) 3 is odd, 6 is even 4) 10 and 12 a) Both even b) 10 is even, 12 is odd c) Both odd d) 10 is odd, 12 is even 5) 1 and 10 a) Both even b) 1 is even, 10 is odd c) Both odd d) 1 is odd, 10 is even 6) 12 and 19 a) Both even b) 12 is even, 19 is odd c) Both odd d) 12 is odd, 19 is even 7) 16 and 20 a) Both even b) 16 is even, 20 is odd c) Both odd d) 16 is odd, 20 is even 8) 11 and 18 a) Both even b) 11 is even, 18 is odd c) Both odd d) 11 is odd, 18 is even 9) 13 and 7 a) Both even b) 13 is even, 7 is odd c) Both odd d) 13 is odd, 7 is even 10) 4 and 14 a) Both are even b) 4 is even, 14 is odd c) Both are odd d) 4 is odd, 14 is even

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