You can put it into expressions:
Your score would be x
Your friends score would be x +12
Hope This Helps You!
Good Luck Studying :)
I don't know hibgiuuibbohubhouhigohiboihbobihioijboib
Answer:
y=
x+2
Step-by-step explanation:
Use equation M= 
this will give you the slope of the line.
to get b which is the y intercept take the y intercept which is 2