Expand the polynomial (x+4)^2 using polynomial identity

What is the first step of an indirect proof of a number that is divisible by two

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?

Write an inequality and solve each problem. for exercises 11 and 12, interpret the solution.