Answer:
Step-by-step explanation:
Since, angle L and angle M are supplementary.

I believe the answer is D
Answer:
Yes
Step-by-step explanation:
y=x+6 is the slope. (1,7) is 2 right and 2 up from (3,9)
Answer:
Not solveable
Step-by-step explanation:
because that to solve the two unkown number you must have two equations of it in order to solve it
Can you post the original question