Find the total surface area of the prism

What is the missing value in the proportion 4/5 = x/30

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)

The sequence of transformations that can be performed on quadrilateral abcd to show that it is congruent to quadrilateral ghij is a followed by a .