Answer:

Step-by-step explanation:
Given


Required

Since the events are mutually exclusive, then:

So, we have:

Take LCM



Answer: -4x+c
Step-by-step explanation:
It’s already simplified
Answer:

Step-by-step explanation:
Factor
out of 
Answer:
C. 180 degrees
Step-by-step explanation:
The sum of a triangle's interior angles is equal to 180