A parabola intersects the x-axis at x=3, and x=9. What is the x-coordinate of the parabola's vertex?

Which ordered pair (c,d) is a solution to the given system of linear equations- c+2d=13 -9c-4d=-15

Adozen bananas weigh 3 pounds how many ounces does 1 banana weigh

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?