To answer this we need the coordinates of the first three points.
Answer: Mrs.Buller collects a 500-ml sample of seawater for her chemistry class, and it has 1.94% of chlorine, we have to determine the amount of chlorine in the sample:

Therefore the chlorine content in 500ml of water is 9.7ml.
Answer:(4,1)
Step-by-step explanation: over the x axis 4 and up 1 with the y axis
Answer:
16?
Step-by-step explanation: