What is the center and radius of x^2+y^2+32^2+12y+288=0

Can any one me with the answers to these questions asap?

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5