Simplify completely 12 times x to the third power minus 4 times x to the 2nd power plus 8 times x all over negative 2 times x. (2 points) select one: a. −6x2 + 2x + 4 b. −6x2 + 2x − 4 c. 6x4 − 2x3 + 4x2 d. 6x2 − 4x2 + 8x

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years

Me n o w. i need t h i s. 10 points

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.