Bradley's summer playlist has a total of 80 songs, and 60% of them are country. How many songs on Bradley's playlist are country?

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

He mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 x 10^23. which is the mass of a single carbon atom, correctly written in scientific notation with the correct number of significant figures?

    choose the correct definition for  extremo.  a.  end      b.  extra      c.  extract      d.  eventual