Amy ran 2/3 of a marathon. beth ran 5/6 of a marathon. who ran farther ? how much farther?

Factor the polynomial 4x4 – 20x2 – 3x2 + 15 by grouping. what is the resulting expression? (4x2 + 3)(x2 – 5) (4x2 – 3)(x2 – 5) (4x2 – 5)(x2 + 3) (4x2 + 5)(x2 – 3)

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]

What is the simplified form of 400x100 ? o 200x10 o 200x50 0 20x10 • 20x50