Find dy/dx((t^2-1)/t)=?

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?

Solve the equation - 2(m -30) = -6m a-15 b-13 c-8 d8

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?