## Algebra 1

$d\lt-12$
$-1.5d\gt18\longrightarrow$ divide each side by -1.5; reverse the inequality sign $-1.5d\div-1.5\lt18\div-1.5\longrightarrow$ divide $d\lt-12$ The endpoint on the graph will be an open circle since -12 is not included in the solution set.