Simplify the expression to a polynomial in standard form:
(2x - 1)(-x^2+ 4x + 6)

What is the value of r of the geometric series?

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.

A10 inch cookie cake is divided into 8 slices. what is the area of 3 slices