A vertical curve is to be placed through sta 81+50 at an elevation of 638.42 ft. The grade into the curve is -3.6% and the grade out of the curve is +3.8%. The point of vertical curve (PVC) is at sta 76+00 and elevation 646.12 ft. What is the required length of curve? PVC sta 76+00 elev 646.12 ft (A) 25.0 ft (B) 168 ft (C) 407 ft (D) 925 ft sta 81+50 elev 638.42 ft -3.6% PL PVI +3.8% PVT

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Electronic Spreadsheet

Tabular listing has many advantages ranging from time management to efficient scheduling of tasks. Electronic spreadsheets allow the user to tabulate and analyze data, using its easy-to-use interface. An electronic spreadsheet is a staple application used among accountants, management staff, and IT professionals. It is used in various sectors worldwide for data management. An electronic spreadsheet is a system and computer software that could be used to do numerical computations automatically. Spreadsheet application programs are often organized as a table with rows and columns. Each row and column intersect to form a cell, which may be used to store data. These data can take the form of a written label, a number, or a formula that combines information from other cells.