At the end of the year a math teacher decides to survey his students to determine what they liked best about his class he uses his first period class as his sample is the sample is biased or unbiased

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)