11/7
7
originally, their hours of operation were 7 a.m. until 11 p.m.
9 and 7/9
-11 + (-7) = -18
Modern Marvels - 1994 Construction Machines 7-7 was released on: USA: 22 February 2001
Modern Marvels - 1994 Is That a --- In Your Pocket was released on: USA: 7 November 2011
Modern Marvels - 1994 Cannons 7-23 was released on: USA: 21 August 2001
Modern Marvels - 1994 Candy 12-7 was released on: USA: 14 February 2006
Modern Marvels - 1994 Lighthouses 7-10 was released on: USA: 19 March 2001
Modern Marvels - 1994 Quarries 7-27 was released on: USA: 18 September 2001
Modern Marvels - 1994 Alaska 19-7 was released on: USA: 27 February 2012
Modern Marvels - 1994 Computers 7-11 was released on: USA: 11 April 2001
Modern Marvels - 1994 The Arch 15-7 was released on: USA: 17 February 2010
Modern Marvels - 1994 Wood 18-7 was released on: USA: 19 December 2011
Modern Marvels - 1994 Chemical and Biological Weapons 7-13 was released on: USA: 7 May 2001
Modern Marvels - 1994 Mackinac Bridge 9-7 was released on: USA: 5 March 2003