What does a solution of the system of equations found and part B represent in the context of the situation? Be sure to explain the meaning of the values in the solution.

What situation is an example of an observational study

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.

Plz ( true - false) all triangles have interior angles whose measure sum to 90.