The terms are 9 and 12k. The coefficient is 12. The constant is 9.
Answer:
You can't answer this question without knowing the total amount of money they all had in total.
The answer to the question
ANSWER
The new equation is:

EXPLANATION
The given parabola has equation,

This is the parent function.
When we reflect this parabola in the x-axis and then scaled vertically by a factor of 1/8.
The new equation becomes:

If you multiply 6 times 8 there are 48