What will be the cost for carpeting a room of length 9ft and breadth 6ft ar the rate rs125 per suqare ft ? find it lluni​

How to determine whether two known pairs of points are on the same line.

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.

Ineed in figuring out this problem.