Hi can someone please help me with these questions.

Adozen bananas weigh 3 pounds how many ounces does 1 banana weigh

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.

Find the y-intercept and x-intercept for the equation 5x-3y=60 what is the y-intercept