18. Write the equation for a hyperbola with center- at (3,-7), one vertex at (3,2), and one focus at (3,-19). 22. Write the equation for an ellipse with center at (3,-7), one vertex at (3,2), and one focus at (3,-13). 26. Write the equation for a conic section with one vertex at (-4,-6) and foci at (-2,-6) and (8,-6). 20. Write the equation for an ellipse with vertices at (-6,-9) and (4,-9) and one focus at (-5,-9). 24. Write the equation for a hyperbole. with vertices at (4,5) and (4,-9) and one focus at (4,8). 28. If the foci of a conic section are at (-2,-2) 3. (-2,16), and one vertex is at (-2,12), what is the equation