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

  2.   The perimeter of a square is 4 times the length of a side. Use the equation
P = 4s to find the perimeter of a square whose side has a length of 6 inches.
    A. 12 in. B. 10 in.
    C. 36 in. D. 24 in.
    Hint

  3.   Solve 5x = 55.
    A. 9 B. 5
    C. 12 D. 11
    Hint

  4.   Graph the solution of 11 + y = 28 on a number line.
    A. B.
    C. D.
    Hint

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



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