Mulitple choice math in picture please help

What is the quadric regression equation that fits these data

If a baby uses 15 diapers in 2 days how many diapers will the baby use in a year

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.