1.
a. Integers`={-3,4,11,57}`	b. Rational Numbers`={-3,4,1/5,11,3.14,57}`	c. Irrational Numbers`={0.25225222522225...}`
d. Real Numbers`={`All are real numbers`}`	e. Prime Numbers`={11}`	f. Composite Numbers`={4,57}`

2.
a. Integers`={21,53}`	b. Rational Numbers`={5.bar17,-4.25,-1/4,21,53,0.45454545...}`	c. Irrational Numbers`={pi}`
d. Real Numbers`={`All are real numbers`}`	e. Prime Numbers`={53}`	f. Composite Numbers`={21}`

3. `A={4,6,8,9,10}`	4. `B={2}`	5. `C={53,59}`	6. `D={4}`
7. `{2,4,6,8}`	8. `{0,1,2,3}`	9. `{3,5,7,9}`	10. `{-1,0,3,8}`
11. `{0,1,2,3}`	12. `{2,4,6,8}`	13. `{1,3}`	14. `{1,3}`
15. `{1,3}`	16. `{O/}`	17. `{0,2,4}`	18. `{6,10}`
19. `{0,1,2,3,4,5,11}`	20. `{0,1,2,3,4,6,10}`	21. `{1,3}`	22. `{3}`

23. `{O/}`	24. `{0,1,2,3,4,5,6,10,11}`	25. Assocative Property of Addition
26. Commutative Property of Addition	27. Identity Property of Multiplication	28. Symmetric Property of Equality
29. Reflexive Property of Equality	30. Substitution Property of Equality	31. Transitive Property of Equality
32. Distributive Property	33. Inverse Property of Addition	34. Inverse Property of Multiplication
35. Commutative Property of Addition	36. Commutative Property of Multiplication	37. Transitive Property of Equality

38. Distributive Property	39. `(-3a)/7`	40. `(29a)/35`	41. `(-7a)/20`	42. `69/40a`	43. `(-10)/21`
44. `(-154)/231`	45. `(-18)/5`	46. `6/55`	47. `(-2a)/15`	48. `(1-6a)/2a`	49a. `26/55` of the pool.
49b. `(26x)/165` of the pool.	50. `-25/4`	51. `8/59`	52. `(-5)/22`	53. `3-2!=2-3` `\ \ \ \ \ \ \ \ \ \ \ \ \ \ 1!=-1`	54. `1-:2!=2-:1` `\ \ \ \ \ \ \ \ \ \ \ \ 1/2!=2`
55. `(7-4)-6!=7-(4-6)` `\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ -3!=9`	56. `(12-:4)-:2!=12-:(4-:2)` `\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ 3/2!=6`	57. False	58. True	59. True	60. False

61. False	62. False	63. True	64. False	65. True	66. True
67a. `0.bar72`	67b. `0.825`	67c. `.bar285714`	67d. `.bar135`	68. `22/7` is closer
69. `(sqrt(x+9)-3)/x` is approaching `0.bar16` or `1/6`			70. `(1/2-1/(x+2))/x` is approaching `0.25` or `1/4`
71. All the properties except Identity Property of Addition and the Inverse Properties.			72. All the properties except for Inverse Property of Multiplication.
73. All the properties.	74. All the properties except the Identity Properties.	75a. `5+7`	75b. `23+7`	76. `3` and `5`, `5` and `7`, `11` and `13`, `17` and `19`, `41` and `43`.