Please help me solve the following ellipse problem:

Graph the ellipse. 16x^2+4y^2=48

what is the center?

Where are the vertices?

Where are the co-vertices?

Where are the foci?

Graph the hyperbola. 16y^2-4x^2=64

What is the center?

What are the vertices?

Where are the co-vertices?

Where are the foci?

What are the asymptotes?