1. 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.2. 3.4. 5.6.

2. Write an equation or inequality that represents a plane containing all points with equal x and z coordinates. 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.2.3. 4.5.6. 7.

3. Write an inequality to describe the half-space consisting of all points to the left of a plane parallel to the xz - plane and 6 units to the right of it. 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.2.3. 4.5.6. 7.