PLS HURRY!! Which of the following equations represents a proportional relationship? Choose all that apply.
A. x=2y
B. a = 1/3b
C.4x=y-2
D.7/3x=n
E.1/2=1/4

The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

Me! i really need to get this right before 9. prove the divisibility of 7^6+7^5-7^4 by 11. use factoring so you get a number times 11. just tell me the number. i need this done asap