I’m so confused need of the height or the light house

The figure above shows the lengths of thesides of a rectangle in cm. find the valuesof x and y and then the area of the rectangle. sides: top= 3x - yleft= 3y + 4bottom= 2x + yright= 2x - 3 use both methods, elimination and substitution, if possible.

Ineed if you could explain and give me the answer you! this needs done

Which basic geometric term has no width, no length, and no thickness? line b. point c. angle d. plane