Here’s what consumers have asked with answers from Mc graw hill staff and previous consumers.
They are "trying" to give you more "challenging" work as you go on with the site, if you progress more.
Same thing happened to me
On the pie page, click on ALKES PIE DETAIL which is at bottom right corner. After you click on it, on the top, it has dage showing. Click on the date and it shows how much percent you learned and how much percent you have to master.
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