M+n+ex=2m-x find x pls help me

State if the two triangles are congruent. if they are, state how you know?

15/16 as a decimal rounded to the nearest hundredth

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