Answer:
30
Step-by-step explanation:
1. -56
2. say you owe someone 84$, so that's 84$ you don't have, then you give that person 28$. now you only owe them 56$.
The 5 is the number of years that the interest rate is fixed (at the initial amount set when you sign the mortgage contract)
The 1 represents the idea that the interest rate will change every year after the initial 5 years are up.
When you have 8(s-3) you are find a product of 8 times whatever s-3 is however s-3 you are find the difference between whatever s is and 3.