I need help to find the slope

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.

Three times the sum of a number and seven is negative thirty-six. what is the number?

Find the nonpermissible replacement for binthis expression.b2/5b +5