Is is possible to draw a triangle with angles of, 150, 20, 20

How do you write something in scientific notation?

What’s the answer ? use the picture to see the problem

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.