Question

look at the text below. if there is an error with subject - verb agreement, select the incorrect verb and type it correctly. otherwise, submit the text without making any changes. \self - expression may be considered creative, but not all are worthy of being called art,\ jill erickson wrote in her scathing review of the performance artist.

Explanation:

In the sentence, the subject of the second clause "not all" refers to "self - expression" (which is singular). So the verb "are" (used for plural subjects) is incorrect. The correct verb should be "is" to agree with the singular subject.

Answer:

"Self - expression may be considered creative, but not all is worthy
of being called art," Jill Erickson wrote in her scathing review of the
performance artist.