Adog is leashed to the corner of a house with a 20 ft long leash. how much running area does the dog have? round your answer to the nearest square foot, if necessary. the dog has about square feet of running area.

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.