Chapter 9.4, Problem 1CP

How many orbitals does a set of $s{p}^2$ hybrid orbitals contain?

$\begin{array}{l}\text{a)}\hfill \\ \text{2}\hfill \\ \text{b)}\hfill \\ \text{3}\hfill \\ \text{c)}\hfill \\ \text{4}\hfill \\ \text{d)}\hfill \\ \text{5}\hfill \\ \text{e)}\hfill \\ \text{6}\hfill \end{array}$