The volume V of a certain cone can be found using formula v= 1/3b (25), where B is the area of the base of the cone. If the area of the base cone is 90 square centimeters, then what is the volume of the cone

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)