div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=practice-problems-9-11-13htmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Practice problems 9 11 13 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentssitereader030viewer2022020221568c50c71a28ab4916aff7f9html5thumbnails1jpg width=140 height=200 divpPrac%ce Problems 91113 pdiv