What is the decimal expansion for 3/9

Can (3,5 and square root 34) be sides on a right triangle?

Given right triangle xyz, which correctly describes the locations of the sides in relation to

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.