val needs to find the area enclosed by the fogure. the figure is made by attaching semicircles to each side of a 60-m-by-60-m square. val says the area is 2,052.00m^2. find the area enclosed by the figure. use 3.14 for pi. what error might val have made?

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.