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Answer:
y = 4x + 17
Step-by-step explanation:
y = mx + b              given points: (-3,5) (-5,-3)
 =
 =  = 4
 = 4
y = 4x + 17
 
        
                    
             
        
        
        
Answer:

Step-by-step explanation:
Given


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


Collect like terms


 
        
             
        
        
        
Answer:
The answer is -2
Step-by-step explanation:
A constant is a number on its own, or sometimes a letter such as a, b or c to stand for a fixed number. In this case, our constant in the expression is -2