Each distinct letter in the equation COCA+ COLA= OASIS represents a distinct digit. What is the value of O +A+ S + I + S?

One month, a music site observed that 60% of the people who downloaded songs from its site downloaded q sam's latest single. the equation below represents this information, where x represents the total number of people who ddownloaded songs from the site that month: x = 0.6x + 384 how many people who downloaded songs from the site that month downloaded q sam's latest single?

What is the measure of angle x? answer

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