Find the coordinate point for D that would make ABDC a rhombus.

(5, 4)
(5, 2)
(5, 3)
(3, 0)

True or false? a circle could be circumscribed about the quadrilateral below.

Is this a polynomial function? i need to know asap

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm