What is the end behavior of the graph of the polynomial function f(x) = –x5 + 9x4 – 18x3?

Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2

Plz hurry evaluate the expression a+b where a=8 and b=19

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