(brainiest and 50 points)A data set is made up of these values. 1, 4, 5, 6, 6, 9, 11
Find the interquartile range.
A. 4 – 1 = 3

B. 11 – 9 = 2

C. 11 – 1 = 10

D. 9 – 4 = 5

Need ! discuss how to convert the standard form of the equation of a circle to the general form. 50 points

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?

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?