Ashlee modeled the expression below using Algebra tiles: key. image, equals x. image, equals 1

Which expression is equivalent to Ashlee’s model?
3x+7
2x+7
3x+6
x+5

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.