1.   Evaluate if a = 9, b = 6 and c = 3.
    A. 15 B. 9
    C. 5 D. 11
    Hint

  2.   Evaluate 7 × (a - 4) if a = 9.
    A. 35 B. 63
    C. 59 D. 28
    Hint

  3.   Evaluate ab + 8 if a = 4 and b = 7
    A. 36 B. 28
    C. 60 D. 55
    Hint

  4.   Evaluate 5k + if
k = 3, m = 20, and n. = 5.
    A. 20 B. 7
    C. 19 D. 57
    Hint

  5.   In physics, the number measures the force of gravity between two objects when a and b each stand for the mass one of the objects and d stands for the distance between them. Find the force of gravity when a = 5, b = 8, and d = 2.
    A. 40 B. 20
    C. 5 D. 10
    Hint



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