1.   Evaluate (4 + 5) ÷ 3 × 2 + (22 - 1).
    A. 18 B. 10
    C. D. 9
    Hint

  2.   Evaluate a + b - 3 if a = 10 and b = 7.
    A. 7 B. 67
    C. 0 D. 14
    Hint

  3.   Evaluate 2c - 4k if c = 16 and k = 5.
    A. 18 B. 12
    C. 16 D. 52
    Hint

  4.   Evaluate 4a + 2b – 3c if a = 2, b = 3, and c = 4.
    A. 11 B. 6
    C. 2 D. 31
    Hint

  5.   Which is a counterexample for the following statement?
The difference of two odd numbers is an odd number.
    A. 7 + 9 = 16 B. 12 – 5 = 7
    C. 15 - 7 = 8 D. 15 – 4 = 11
    Hint



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