47+ 30 is 77 so def is 77 and 103 is deg. and
Answer/Step-by-step explanation:
I did the work on paper:
Answer:
perpendicular
Step-by-step explanation:
When 2 lines intersect at any point, not just in the middle of each (that has nothing to do with it), and they meet to form right angles, the lines are perpendicular to one another and their slopes are opposite reciprocals.
Answer: The answer is A:
Step-by-step explanation: Yes, because it has a constant rate of change.