Tuition of $2700 is due when the spring term begins in 9 months. what amount should a student deposit today, at 11% to have enough to pay tuition?

Apublic library wants to place 4 magazines and 9 books on each display shelf. the expressions 4s +9s represents the total number of items that will be displayed on s shelves. simplify this expression

You have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint? you have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint?

I'm confused on this could anyone me and show me what i need to do to solve it.