SOMEONE PLS HELP ASAP I NEED HELP LAST QUESTION DUE ASAP PLS

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.

What is the interquartile range of this data set? 2, 5, 9, 11, 18, 30, 42, 48, 55, 73, 81

Which term below correctly completes the following sentence? if a function has a vertical asymptote at a certain x value, then the function is what at that value