I need help with number 11

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

Which questions would most a reader identify the author's purpose for writing? check all that apply. what type of text is this? what type of reviews did the book receive? how many copies of the book have been sold? what is the central idea? how does this text make one feel?

How do i take any fraction and make it into a decimal or percentage?