PLZ HELP E WILL MARK BRAINLIEST Prove that -tan^(2)x + sec^(2)x = 1 is an identity
and if you can show your work that would help

Apark is in the shape of a rectangle. the park authorities are planning to build a 2-meter-wide jogging path in the park (shown as the shaded region in the image). what is the area of the jogging path? plz

Hi, can anyone show me how to do this problem? 100 points for this. in advance

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.