write an equation in point-slope form for a line that includes the point (5,-3) and has a slope of -2

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?

Can someone answer this question? : )

Is triangle jkl congruent to triangle rst? if so, what is the scale factor?