Take a look at the item again:
Wendy pushed her glasses up her nose,
(A) and blew loose strands of
hair from her eyes, (B)
hoping that clearer vision would help her make sense of the difficult
algebra problem (C)
that she was trying to solve.
You wanted to do this:
Wendy pushed her glasses up her nose, and blew loose strands of hair from
her eyes. Hoping that clearer vision would
help her make sense of the difficult algebra problem that she was trying
to solve.
A period after eyes makes a fragment. Hoping that clearer vision ... begins a participle phrase which cannot stand alone as a complete sentence.
You might want to review the rules.
Go back to the sentence to try again.