The sum of two numbers is 18. The difference of the numbers is 12. Find the numbers

Answer this question only if you know the 30 points and

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles

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.