Evaluate 12.1x +11.7y when x = 3 and y = 4. 12.10 ) +11.70) =
+ 46.8
12.1(3) +11.7(4) = +46.8
Il
(Type integers or decimals.)

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.