Which is the focus of a parabola with equation y^2=-12x?

What is the product? (x2+3y+7) [yy+1)

To describe a sequence of transformations that maps triangle abc onto triangle a"b"c", a student starts with a reflection over the x-axis.how should the student complete the sequence of transformations to map triangle abc onto triangle a"b"c"? plz

Arational number that is equivalent to -20/4?