Respuesta :

Answer:

1. c

2. lines l & m are parallel because of they are equal distances.

3. A is wrong: if you add and subtract for each of the soloutions you end up with x equaling 4 not 8

4. x= 63 y=45  z=113

Step-by-step explanation:

i think this is correct. If it isn't im happy to correct it!