1.   Evaluate 3x + 2y if x = 3 and y = 7.
    A. 27 B. 5
    C. 23 D. 105
    Hint

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

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

  4.   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. 10
    C. 20 D. 5
    Hint

  5.   Evaluate y3 if y = 4.
    A. 12 B. 43
    C. 64 D. 16
    Hint



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