Two vertices of a right triangle have coordinates (9, 1) and (6, −1) .

select each ordered pair that could be the coordinates of the third vertex.

(9, −1)

(6, 1)

(1, −1)

(6, 9)

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