Which of the following is most likely the next step in the series?

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.

What statement is true? 2x^2-9x+2=-1

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?