Can you help me put these in order please

Why do interests rates on loans to be lower in a weak economy than in a strong one

This is about circle theorems. someone asap : (

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field