X — бу + 2x = 5 2x – 3y+z = 4 3х +4y - z = -2 help on how to do it , its about substitution.

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?

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?

The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x