The point (24,3) on a standard (x,y) coordinate plane is halfway between points (z,2x+1) and (15z,z-4) . What is the value of z ?

What is the angle between two planes 2x-y+z=4 and x+y+2z=6 ?

What is the angle between the planes 2x-y+z=6 and x+y+2z=3 ?

The angle between the planes x+2y+2z =3 and -5x+3y+4z = 9 is

What is the angle between the planes 2x-y-2z+1=0 and 3x-4y+5z-3=0 ?

A points P(1,2,3) is one vertex of a cuboid formed by the coordinate planes and the planes passing through P and parallel to the coordinate planes. The radius of the sphere 3x^2+3y^2+3z^2-8x+4y+8z-15=0 is

What is the angle between the plane 2x-y+z=6 and x+y+2z=3 ?

What is the angle between the plane 2x-y-2z+1=0 and 3x-4y+5z-3=0 ?

Find the angle between the planes x+y+2z=9 adn 2x-y+z=15

The distance of the point (1, -2, 4) from the plane passing through the point (1, 2, 2) and perpendicular to the planes x-y + 2z =3 and 2x -2y +z + 12 =0 , is-

The coordinates of the point where the line (x-3)/(1)=(y-4)/(2)=(z-5)/(2) meets the plane x+y+z=17 are -