68°F, 76°F, 87°F, 54°F, 87°F, 68°F, 76°F, 68°F, 87°F, 54°F

Assuming that the sample was representative of the daily temperature for the entire year, what was the mean daily temperature?

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