### What is the distance measured

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A 100-ft cut steel tape was used to check the layout of a building wall. The rear surveyor held 71 ft while the head surveyor cut 0.68 ft. What is the distance measured?

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Over a long period, total phosphorus (TP) has been discharged to a lake through sewage and surface water runoff at a rate of 10 tons/day. Measures were then taken to reduce th