james wants to have earned $6,686 amount of interest in 18 years. currently he finds that his annual interest rate is 5.42%. calculate how much money james needs to invest as his principal in order to achieve this goal​

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.