Now, as for the other part, the question is vague here. It does not specify whether "money supply" refers to the money in the government (therefore it would increase) or if it refers to the public (in which case it decreases). <span>it is decreased by $30,000.</span>

**Answer:**

All mathematicians in the study considered proofs valuable for students because they offer students new methods, important concepts and exercise in logical reasoning needed in problem solving. The study shows that some mathematicians consider proving and problem solving almost as the same kind of activities.

**Answer:**

it depends on how big the floors are.

**Step-by-step explanation:**

It's 216 because you would just do the equation from left to right since pemdas doesn't really effect the order here