Square root of 19 in exponential form

Elizabeth is using a sample to study american alligators. she plots the lengths of their tails against their total lengths to find the relationship between the two attributes. which point is an outlier in this data set?

If the value of cos330°is√3/2 then find cos 165°.

Acd that is originally priced at $15.85 red-tagged for the sale. what is the sale price of the cd