9:4:5.....added together = 18
9/18 (72) = 648/18 = 36
4/18 (72) = 288/18 = 16
5/18 (72) = 360/18 = 20
so we have 36:16:20
Answer:
The slope is 4
Step-by-step explanation:
I think it's right
Answer:
I have no answer.
Step-by-step explanation:
You need to add more information.