The formula for the slope is 



Hope this helps.
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Answer:
translate this to English and I'll help!(:
I think it is: y=0.375x+3.125
a=(5-2)/(5- -3)=3/8=0.375
Find b
(5)=0.375(5)+b
(5)=1.875+b
5-1.875=b
b=3.125
I know it is between b and c i am not sure cause they are both similar in the way they look but if i had to choose maybe B
sorry if its wrong, then its c
His commission would be 111,000.
You can get this answer by multiplying 6% times 1,850,000. This would get you the answer of 111,000.
Hope this helps! I would greatly appreciate a brainliest! :)