Through extreme couponing marie saved 84% of her gricery bill. if she paid $16, what was the original about of the bill

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

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?

Apolynomial has two terms. check all of the factoring methods that should be considered. common factor difference of cubes sum of cubes difference of squares perfect-square trinomial factoring by grouping