HELP THXX PLAS

What is 20+(5 x 2/5 )+ 3 show your work

Solve the equation -9p - 17 =10 a -3 b. 16 c. 18 d -16

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.