Should Hate Speech be limited by law in the United States and why/why not?

Which of the following guidelines should be followed if you have a large spill that is dangerous or beyond your ability to clean up? a) call emergency authorities b) try to keep it quiet so nobody panics c) if the material is flammable, get several buckets of water to dilute it with d) wipe up as much as you can with appropriate rags

If both the president and the vice president can no longer serve, who will become the next head of state?

What percentage of people are left handed?