Which document included the following powers? could declare war, could make treaties, could create a post office.

What is the binomial name of the horsefly species that's golden backside inspired a 24-year old researcher to name it after a pop star in january 2012?

When do you think it’s best to take the psat (what grade year / when in the year)?

Ten students compared the amount (in dollars) they spent on books each week. the box plot shows the results. the median amout they spent each week is . the difference of the first and third quartiles of the data set is?