1.   Estimate .
    A. 8 B. 11
    C. 9 D. 10
    Hint

  2.   Estimate the area of the triangular piece of land using Heron's formula.
   
    A. 12 square miles B. 11 square miles
    C. 10 square miles D. 9 square miles
    Hint

  3.   Estimate the solution of to the nearest whole number.
    A. 10 B. 9
    C. 11 D. 12
    Hint

  4.   Estimate the length of a side of a square whose area is 262 in2.
    A. 16 in. B. 18 in.
    C. 17 in. D. 15 in.
    Hint

  5.   On a clear day, the distance in miles that you can see to the horizon is about 1.23 × , where h represents the height of your eyes above the ground in feet. Estimate the distance you can see if your eyes are 98 feet above ground.
    A. 11 miles B. 12 miles
    C. 13 miles D. 10 miles
    Hint



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