I need help with this question pleasee

Do 12/14 and 8/10 have the same value? explain your answer.

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.

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?