D because debt is classed as a liability
The product is the result of multiplying, and whatever number is multiplied by 3 is the amount of times you add 3 to the answer.
Example:
3x7= 3+3+3+3+3+3+3=21
I believe the answer is the fourth option.
X^2-10x+16= 0
(x-8)(x-2)=0
x = 8 or 2