Solve this riddle i am an odd number, i am less than 100,the sum of my number is 12,i am a multiple of 15 what number am i?

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.