There is no essential difference between being a math class representative and other class representatives. Mainly to help the math teacher convey the spirit of the teacher. When is the homework due? When will the class homework be collected? Also, you'd better get better grades in math. After all, you are the representative of math class. At least you should take the lead =0=
In fact, when you are really a good math class representative, you will have that kind of enthusiasm for learning math, and then once you become interested in math, it will be a very easy course to learn.