Answer:
Step-by-step explanation:
In 
you multiply 2x5 which equals 10 and then you add 10+2=12
2x5=10
10+2=12
=
You do the same thing multiply the denominator by the whole number and whatever you get when you multiply add it with the numerator.
3x6=18
18+1=19
=
I believe your answer is 280000
9 + t/12 = -3
t/12 = -12
t = -144
hope this helps
You have not provided sufficient information.
But here is a tool.
http://www.moneychimp.com/calculator/compound_interest_calculator.htm
Answer:
The slope of the problem is 4.
