Pls on this one an unknown number y is 20 more than an unknown number x. the number y is also x less than 2. the equations to find x and y are shown below: y = x + 20 y = −x + 2 which is a correct step to find x and y?

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.