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. 12
    C. 4 D. 16
    Hint

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

  3.   Solve 5 + y = 11.
    A. 16 B. 6
    C. 7 D. 2
    Hint

  4.   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. 36 in. B. 24 in.
    C. 12 in. D. 10 in.
    Hint

  5.   Solve 3x = 36.
    A. 13 B. 6
    C. 14 D. 12
    Hint



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