Will give brainleist hurry due at 9 pm super easy.
a. write an expression that, when simplified, is equivalent to 15x + 7.
b. explain why the expressions y + y + y and 3y are equivalent.

What values of data might affect the statistical measures of spread and center

Which function is odd check all that apply a. y=sin x b. y=csc x c. y=cot x d. y=sec x

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?