Find the vertices and foci of the conic section $\left(\frac{x}{7}\right)^2 + \left(\frac{y}{3}\right)^2 = 1$

The foci are at $F_1=$ (,) (left) and $F_2=$(,) (right)

The vertices are :
(,) (on the positive $y$-axis) ,
(,) (negative $y$-axis),
(,) (positive $x$-axis),
(,) (negative $x$-axis).