Answer:
6x-3
Step-by-step explanation:
3(2x-1)
DISTRIBUTE
3*2x = 6x
3*(-1) = -3
6x-3
Answer:it’s C
Step-by-step explanation:
Answer:

Step-by-step explanation:
Given


See attachment
Required
Find 
First, calculate 
--- angle on a straight line
So, we have:

Collect like terms


Next, calculate PQR

So, we have:

Collect like terms


So, PRO is calculated as:
--- angles in a triangle
So, we have:


Collect like terms

