Please help me

[ss123]

I have a sentence and I have to find 2 mistakes... Someone plz help me !!
"For college admissions officers, the college board's plan to add the new writting section to the SAT brings a host of new questions -,and , possibly, an answer to the growing problem of college application essays so polished as to indicate that a student probably has extensive adult help."

[river]

For college admissions officers, the addition of an essay-writing section to the SAT will address many questions, including whether the essays submitted on college applications represent the applicant's own work or that of outside help.