You are graphing Rectangle ABCDABCDA, B, C, D in the coordinate plane. The following are three of the vertices of the rectangle: A(-7, -7.5), B(-3, -7.5),A(−7,−7.5),B(−3,−7.5),A, left parenthesis, minus, 7, comma, minus, 7, point, 5, right parenthesis, comma, B, left parenthesis, minus, 3, comma, minus, 7, point, 5, right parenthesis, comma and C(-3,2.5)C(−3,2.5)C, left parenthesis, minus, 3, comma, 2, point, 5, right parenthesis.
What are the coordinates of point DDD?