The price of a gallon of unleaded gas was $2.86 yesterday. today, the price fell to $2.79 . find the percentage decrease. round your answer to the nearest tenth of a percent

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 standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?

The owner of the plant nursery where you were tells you to fill 350 ml bottles from a 30 l from a fertilizer