The first place students should go for help in a class is to their instructors office hours. These should be available on the syllabus.
University Math Center
The University Math Center offers drop in tutoring in many of the 100 and some of the 200 level mathematics courses. You can find hours and courses covered at the UMC Website.
If you want to hire a private tutor, you can contact the Math Department Secretary Brenda Bland for a list of tutors.