Can someone please help me please?

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.

10% of 1,900,000. show me how you got the answer

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9