3x+2y=4 and -2x+2y=24

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 of the following is not a subset of {1,2,3}?

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?