(2) & (4.2) d-Vy--4)+(-2-253 d = (416) a 80 2. Given the coordinates of A (0, -3), and M (4, -5) is the midpoint of Find the coordinates of B. AB 3. Write an equation of the circle whose center is the origin and whose radius is 9 cm. Y=mx -(2.1) 4. Given the equation of the circle below, identify the coordinates of the center and the radius. (x + 2)+(y-5) = 7 Write the equation of the vertical line through the point (-11, 7) y=mx+b y=ix +0