16an - 19an +8b +9an +12 b

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 is negative 3/9 times negative 2/8 ?

Micheal is 4 times as old as brandon and is also 27 years older than brandon. how old is micheal