3) which expression matches the following algebra tiles?

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.

When the ball has traveled a distance of

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.