Answer:
-1
Step-by-step explanation:
the line is written in slope intercept form making it easy to find that the slope is -1
slope intercept form is y= mx+b
30 + 90 = 120 is the answer i beleive
See it up on brainly it should give you your answer that you need!!
I think line P! Sorry I’m not sure.
Answer:

Step-by-step explanation:
Given
--- [Missing in question]
Required
Select equivalent expression

Associative property states that:

In this case:



So, we have:


B. is correct