The measure of a smaller angle =

find a =

find c =

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .

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