## Algebra 2 (1st Edition)

$\overline{Z}=\{January,February,March,April,May,June,July,August\}$
$X=\{April,June,September, November\}$ $Z=\{September, November,October,December\}$ Hence $\overline{Z}=\{January,February,March,April,May,June,July,August\}$