5-7-9 liquidated, sold the 5-7-9 stores to a newly formed subsidiary of A.I.J.J. Enterprises, Inc., owner of Rainbow Shops. Rainbow is headquartered in Brooklyn, New York 5-7-9 5-7-9 is a low to mid-end fashion retailer, commonly found in malls throughout the continental United States and Puerto Rico, and formerly Hawaii. It is a sister company to Rainbow Shops. The chain offers mid to low-priced fashions for young teens and young women between 13 and 22 years of age. The store's name refers to the junior miss clothing sizes the store specializes in. In 1970, Edison Brothers Stores purchased the 5-7-9 chain,
9-orthoplex 9-orthoplex In geometry, a 9-orthoplex or 9-cross polytope, is a regular 9-polytope with 18 vertices, 144 edges, 672 triangle faces, 2016 tetrahedron cells, 4032 5-cells "4-faces", 5376 5-simplex "5-faces", 4608 6-simplex "6-faces", 2304 7-simplex "7-faces", and 512 8-simplex "8-faces". It has two constructed forms, the first being regular with Schläfli symbol {3,4}, and the second with alternately labeled (checkerboarded) facets, with Schläfli symbol {3,3} or Coxeter symbol 6. It is one of an infinite family of polytopes, called cross-polytopes or "orthoplexes". The dual polytope is the 9-hypercube or enneract. There are two Coxeter groups associated with the 9-orthoplex, one regular,