Find an equation of the plane passing through the given points. (5, 2, 13), (3, -3, 20), (1, -1, 20)

Find an equation for the plane through the points (5, 3, 5), (2, 2,0), (1, 0, -2). The plane is

Find an equation the plane that passes through the points A(4,0, –5), B(8,-3,-6), and C (1, 2, -1). Write your final answer in standard form.

Find the equation of the straight line thru (2,-3,7) parallel to the z-axis the straight line thru (2,-3,7) parallel to the y-axis the plane thru (2,-3,7) containing the lines in a. and b. above