The table shows the results of a survey of a group of middle school students preferred subjects what is the approximate conditional relative frequency of a surveyed students preferring math, given that the 8th grade

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