1.   Find the solution of 72 + z = 84 if the value of z can be selected from the set {4, 8, 12, 16}.
    A. 8 B. 4
    C. 16 D. 12
    Hint

  2.   Which number is a solution to x + 7 = 16?
    A. 9 B. 10
    C. 8 D. 23
    Hint

  3.   Solve 3x = 18.
    A. 21 B. 6
    C. 7 D. 15
    Hint

  4.   Solve
    A. 4 B. 16
    C. 3 D. 24
    Hint

  5.   Graph the solution of 18 = on a number line.
    A. B.
    C. D.
    Hint



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