Can anybody help with these questions please its do in a few minutes

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

Whit h equation best represents this situation the number 98 increased by an unknown number equal to 120

When steve woke up. his temperature was 102 degrees f. two hours later it was 3 degrees lower. what was his temperature then?