



 
Hi Mac, I can help with part of this. 1, 2 and 3 are correct. 4 is the complex numbers. 5 is uncountable. 6, 7 and 9 are correct. I don't understand the notation is 8, 10, 11 and 12. 13 is uncountable. 14, 15 and 16 I don't know enough about Turing machines to answer. 17 and 18 are correct. For your extra questions 2 and 3 are correct. For 1 solve x^{2} + 2x  1 = 0. How many solutions do you get? Harley  


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