Select the correct answer from each drop-down menu.
Determine the attributes of the hyperbola represented by this equation:

The vertices are
A. (-41,21) and (1,21)
B. (-20,0) and (-20,42)
C. (-20,1) and (-20,41)
D. (20,1) and (20,41)
The foci are
A. (-50,21) and (10,21)
B. (-20,-8) and (-20,50)
C. (-20,-10) and (-20,52)
D. (20,-8) and (20,42)