Christopher bought 4 pens that cost the same amount of money and a marker that cost $3. he spent a total of $11. which statement correctly describes how to find the cost of each pen arithmetically?

Is a currency whose value is tied to another currency, meaning that the exchange is fixed

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?

(x-5)1/2+5=2 what is possible solution of this equation