Which is equivalent a.)1/3 and 0.3 b.)2/5 and 0.25 c.)5/8 and 0. d.)9/10 and 0.09

What is the volume of a rectangular prism that is 120 centimeters by 2 meters by 1.5 meters in cubic meters?

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.

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)