The expression -3m [2m+5-m])+ 7 was simplified as 2-4m without simplifying explain how you can show that it has been simplified correctly

Sorry guys but as you have a small brain

How do i do this activity, is appreciated

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 33 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 33 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.