Can someone answer this please and thank you?

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.

Car a and car b were in a race .the driver of car b claimed that his car was twice as fast as car a

Is (0,0) a to ? ys x2 - 4 y> 2x-1