Misc: what country music 'outlaw' gave up his airplane seat to the big bopper?

Questions

The very first Minimum Wage law set the minimum hourly pay scale at?

What three colors of ink are used to print a US dollar bill?

In an average lifetime, the average American buys 420 ___?

What breed horse is the favourite among cowboys?

Which US state is known as the "Coyote State" or the "Shunshine State"?