The short answer: 20 (composite score) is the national ACT average. About half of students score above that, and half of students score below. The top 25% of ACT takers score about 24 or more, so if your score is above 24, that's excellent.
1 SavinâNorov machine gun. 2  Space Network, a NASA relay satellite system. 3  Sthene, an obsolete unit of force or thrust in the metre-tonne-second system of units. 4  Substantia nigra, a brain structure. 5  Supernova, a stellar explosion, in astronomy and cosmology.  Tin, a metallic element with chemical symbol Sn.
Book Brussels Airlines flight on OneTravel and enjoy savings on airline tickets! Brussels Airlines (SN) is a renowned Belgian airline based at Brussels Airport. Former Virgin Express merged with SNBA in 2006 resulting in the new entity called Brussels Airlines, beginning operations from March 2007.The airline operates flights to more than 50 destinations in Europe.russels Airlines (SN) is a renowned Belgian airline based at Brussels Airport. Former Virgin Express merged with SNBA in 2006 resulting in the new entity called Brussels Airlines, beginning operations from March 2007.