Archana has two pieces of ribbon. one of them is 180 cm long and the other is 255 cm long. next, she cuts the two pieces of ribbon into small pieces such that all of these smaller pieces are of equal length and no ribbon is wasted. what is the longest piece of ribbon obtained after cutting?

Ill mark the brainliest if you me with the these three questions 7,8,9

Will give the box plots below show the math scores of students in two different classes: class a 55 72 75 89 95 class b 55 70 75 94 100 based on the box plots, which statement is correct? a: the median score of class a is greater than the median score of class b. b: the lower quartile of class a is greater than the lower quartile of class b. c: the upper quartile of class a is greater than the upper quartile of class b. d: the maximum score of class a is greater than the maximum score of class b.

What is the approximate value of the correlation coefficient for the given graph? a. 1 b. 5 c. 3 d. -1