Plz help me solve this algebra problem

Describe the possible echelon forms of the standard matrix for a linear transformation t where t: set of real numbers is onto.

Use complete sentences to differentiate between a regular tessellation, and a pure tessellation. be sure to include specific types of polygons in your explanation.

The pair of coordinates that do not represent the point( 5,150’) is a. (5,-210) b. (5,210) c. (-5,330) d. (-5,-30)