Let v = (5,-2) and w = (-10,4). Which of the following is true? Check all that apply. A. = -58 B. v and w are perpendicular. C. w = -2v D. The y-component of w is 4.

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Apublic library wants to place 4 magazines and 9 books on each display shelf. the expression 4s+9s represents the total number of items that will be displayed on s shelves. simplify the expression

Amanda went into the grocery business starting with five stores. after one year, she opened two more stores. after two years, she opened two more stores than the previous year. if amanda expands her grocery business following the same pattern, which of the following graphs represents the number of stores she will own over time?