Find the sum.
(n+8)+(n−12)
=

How do you summarize data in a two-way frequency table?

What is the reflection image of (5,-3) across the line y = -x?

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.