Researchers claim that 60 tissues is the average number of tissues a person uses during the course of a cold. the company who makes kleenex brand tissues thinks that the claim is untrue, but is not sure whether the average is greater than or less than 60. what are their null and alternative hypotheses?

Currently, as of february 2016, an american traveling in france would be by the exchange rate. the weakness of the euro and the strength of the us dollar means that items in france cost less to an american than they otherwise would. of course, if this trend reverses and the us dollar weakens and the euro strengthens, such as was happening in early 2008, an american traveling in france would have an adverse experience because items would cost relatively more.

Isay b but i'm not sure. 

C. to limit the powers of the federal government