Asporting goods store sells triangular team pennants in two sizes. the base of one pennant is 18 in. and the length of the side is 9 in. the other pennant is similar to the larger pennant and has a base that is 6 in. what is the length of the side of the smaller pennant? enter your answer in the box.

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