Misc: what does the 'x' mean when referring to the speed of a cd-rom (ie.. 32x)?

Questions

What was the name of Eddie Murphy's character in Beverly Hills Cop?

What duo lost their Grammy for Best New Artist from the eighties?

What late night news show became popular in the eighties after the Iranian Hostage takeover?

Who was the female Prime Minister of England throughout the eighties?

What TV show with married couples and family life appealed to those over the age of 29?