Supplementary is when 2 angles add up to 180°.
180°-40°=140°
The answer is positive 1/5. Here is a tip, when reading a graph read from left to right. If it is going up to the right it is positive. If it goes down going to the right it is negative. Also think rise/run. Count how many times it goes up(or down) then count how long the line goes.
stock in a start-up company
Basically, you have to do 755/12.5 That will give you your average per minute.
