Antoinette and her friends eat at the orange tree resturant. The bill totals $57.70 and they want to tip the waitress %15.Approximately how much should they leave for tip?

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?

The mean finish time was 185.52 with a standard deviation of 0.327 minute. the winning car driven by chris finished in 185.13. the previous year race had a mean finish time of 110.3 with a standard deviation of 0.106. the winning car that year driven by karen finished in 110.13 minutes. find their respective z-scores. chris - z-score karen “- z-score

Iknow its nothing to do with education, but what type of thing should i wrote here? ? : ) its for mcdonald's btw.