Below there are line plots showing the number of electronic devices in each student home. What is the difference between the median number of electronic devices of Class A and Class B? First you need to find the median of A and the median of B.

What is the difference of the medians?

A.) 4

B.) 2

C.) 10

D.) 6

Points j and k plotted on the coordinate grid are two vertices of rectangle jklm rectangle jklm has an area of 7 square units point j is located at 2,1 and point k is located at -5,1 each vertex of the rectangle is located at a point that has integer coordinates. what is the perimeter of rectangle jklm? (need answer asap)