Which group has the higher mean? by how much? round to the nearest tenth.

separate your answers with a comma. example: group d, 10

Mary had at least an 80% on her test write an inequality to represent this situation

If 3x+8=3x+8 is it one solution or no solution

7. the area of the playing surface at the olympic stadium in beijing isof a hectare. what area will it occupy on a plan drawn to a scaleof 1: 500?