Which fraction is equivalent to 2/7 out of these 9/27 4/9 7/2 10/35

Need ! discuss how to convert the standard form of the equation of a circle to the general form. 50 points

A, b, c, and d have the coordinates (-8, 1), (-2, 4), (-3, -1), and (-6, 5), respectively. which sentence about the points is true? a. a, b, c, and d lie on the same line. b. and are perpendicular lines. c. and are parallel lines. d. and are intersecting lines but are not perpendicular. e. and are parallel lines.

Need on this geometry question. explain how you did it.