Which number is greater?
2.234 or 2.244

The mean temperature for the first 4 days in january was 7°c. the mean temperature for the first 5 days in january was 5°c. what was the temperature on the 5th day?

How many zeros does the function f(x)=4x3-x2+1 have

If value of cos330° is √3/2 then find tan165°.