I just finished my assignment and this is what I got. Try to put these in your own words. (: Hope this helps.
NaN₃ is the chemical formula for Sodium Azide
Answer is 2KClO3 3O2 + 2KCl
Independent variable: the student chooses to miss class.
dependent variable: in result of the student missing class his grade goes down.
hyposthesis: if the student misses class multiple times, then his grades will go down.
