1.Workers plan to apply a reflective coating of paint to one surface of an equilateral triangular shaped highway sign. How many square inches of coating need to be applied to the sign if one side of the triangle is 12 inches?
2.Uniform deposits were made on January 1 of 1991, 1992, 1993, and 1994 into a fund intended to provide $1000 on January 1 of 2005, 2006, and 2007. What were the size of these deposits ?
3.Find the depth of a point below water surface in sea where pressure is 1.006 million N/m^2. (Specific gravity of sea water = 1.025)