The average of scores is 160.5
Step-by-step explanation:
Mean is the sum of all values divided by the number of values.
Given scores are:
138,151,198,147,156, and 173
The formula for average score is given by:

Putting values

The average of scores is 160.5
Keywords: Mean, Average
Learn more about mean at:
#LearnwithBrainly
 
        
             
        
        
        
This would be any equation whose slope isn’t -1 or 1.
If the slope was -1, the lines would be parallel because the have the same slope.
If the slope was 1, the lines would be perpendicular because 1 is the negative reciprocal of -1. 
Any line with any other slope will intersect with y=-x.
Hope this helps!
        
             
        
        
        
Answer:
none of them
Step-by-step explanation:
plug it into desmos, and none of them pass through the points