1.   The values in the graph below are _______
   
    A. natural numbers. B. rational numbers.
    C. integers. D. irrational numbers.
    Hint

  2.   Name the additive inverse of
    A. B.
    C. D.
    Hint

  3.   Simplify 3(2a + b) + 6(a - 2b).
    A. 12a - 9b B. 12a + 15b
    C. 12a + 9b D. 12a + b
    Hint

  4.   Identify the multiplicative inverse of 2.5.
    A. 0.25 B. 5.2
    C. 0.5 D. 0.4
    Hint

  5.   Simplify the expression 8 (a + 2b) – 7b + 6 (3ab).
    A. 26a – 6b B. 4a – 6b
    C. 152a – 88b D. 26a + 3b
    Hint



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