There where 2 mucys and a krocadile at 1 how many mucys are ther

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

1foot = 12 inches; 1 yard = 3 feet

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 33 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 33 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.