The graph shows the relationship between the number of classes that some university students missed in the scores that those students received on a test based on the graph approximately what test score would you expect for student who misses three classes

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