If a piece of candy costs .29$ and I have .40$ I will have .11$. Hope it helped
The answer to the question
Answer: 
Step by step:

(Used a table of common angles)
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.
Is it 57? ...............................