This is a new subject in my math class and I don’t understand anything pls helppp

Identify the number as a rational or irrational.explain. 127

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?

Use sigma notation to represent the following series for 9 terms.