Calculate the orbital period of an asteroid with a semimajor axis of a=5.0E11 meters in seconds and years.

An education expert is researching teaching methods and wishes to interview teachers from a particular school district. she randomly selects ten schools from the district and interviews all of the teachers at the selected schools. which type of sample did she use in this study? a)systematic sample b)probability sample c)stratified sample d)cluster sample

Artist xenobia bailey said that art serves her personal growth in several ways. which is not one of those ways?

Can i have all the nicknames of all 50 states of usa?