midnightswag45 midnightswag45 12-01-2017 Mathematics contestada True Or False 1. For a real number a, a + 0 = a. 2. For a real number a, a + (-a) = 1. 3. For a real numbers a and b, | a - b | = | b - a |. 4. For real numbers a, b, and c, a + (b ∙ c) = (a + b)(a + c). 5. For rational numbers a and b when b ≠ 0, is always a rational number.