City A has a temperature of −5 °F. City D has a temperature of −9 °F. Use the number line shown to answer the questions: Number line from negative 8 to positive 8 in increments of 1 is shown. Part A: Write an inequality to compare the temperatures of the two cities. (3 points) Part B: Use the number line to explain which city is warmer.

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