Which expression is the simplest form of -(2x^3+x^2)+3(x^3-4x^2)

For the quadratic function [tex]y=(x+4)^2-1[/tex] , do the following: a) rewrite the function in the standard form, b) rewrite the function in intercept form, c) find the vertex, d) find the y-intercept, e) find the x-intercepts.

Aquadrilateral has exactly one pair of parallel sides. which name best describes the figure?

What is the benefit of converting measures in a ratio to the same unit