In the diagram, line a is the perpendicular bisector of KM, What is the length of KM?

Which statement about the relative areas of triangle abd and triangle xyz is true

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

If the endpoints of the diameter of a circle are (8, 6) and (2,0), what is the standard form equation of the circle? a) (x + 5)2 + (y + 3)2 = 18 (x + 5)2 + (y + 3)2 = 3.72 (x - 5)2 + (y - 3)2 = 18 d) (x - 5)2 + (y - 3)2 = 32