X=7(640) // X being the number of muffins made in a week, 7 being the number of days in a week, and 640 being the number of muffins made each day.
I'm thinking it would be B but I'm not positive
Answer:
The law of conservation of mass
Explanation:
The Law of Conservation of Mass dates from Antoine Lavoisier's 1789 discovery that mass is neither created nor destroyed in chemical reactions. In other words, the mass of any one element at the beginning of a reaction will equal the mass of that element at the end of the reaction.
