The estimate of the population proportion should be within plus or minus 0.02, with a 90% level of confidence. The best estimate of the population proportion is 0.16. How large a sample is required

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?

Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9

Determine domain and range, largest open interval, and intervals which function is continuous.