Which of the following is the correct expanded form for the series below?

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.

Why is causation so much more difficult to prove than correlation?

What is the angle measure, or angle of depression, between this bird and the bird watcher?