Concrete is a mixture of cement, water, sand, gravel, crushed rock, or other aggregates. Sometimes, one or more admixtures are added to change certain characteristics of the concrete, such as workability, durability, and time of hardening.
Top 100 Colleges by Highest Tuition. Here are the top 100 most expensive colleges by tuition for the 2008-2009 school year. The latest numbers can be found in our most expensive colleges ranking. Notes: Some colleges like Bates College, Colby College, Middlebury College, and Union College have a comprehensive fee (tuition + room/board).
ASU is the largest public university by enrollment in the U.S. It had approximately 82,060 students enrolled in 2014, including 66,309 undergraduate and 15,751 graduate students. ASU's charter, approved by the board of regents in 2014, is based on the New American University model created by ASU President Crow.