Please help me with this use the screen shot

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.

Reflect the point (7,0) across the y-axis

Hey free points ! people i have a few math questions on my profile consider looking at them i have to get done in 30 mins!