1.   Find DF if D is between E and F, ED = 6x - 4, DF = 3x + 5, and
EF = 46.
    A. 22 B. 26
    C. 28 D. 20
    Hint

  2.   Find ST if S is between R and T, SR = 2x + 7, ST = x - 6, and RT = 100
    A. 33 B. 74
    C. 27 D. 99
    Hint

  3.   What is an acceptable range for a measurement of 60.5 centimeters?
    A. 604.5 mm to 605.5 mm B. 60.25 cm to 60.75 cm
    C. 604 mm to 606 mm D. 60 cm to 61 cm
    Hint

  4.   Given that R is between S and T, SR = , and RT = , find ST.
    A. B. 2
    C. D.
    Hint

  5.   If DF = 15 and DE = 6, find EF if E is between D and F
    A. 6 B. 21
    C. 12 D. 9
    Hint



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