Help me guys! Thank You!

Apool measures 12.3 feet by 16.6 feet. if the longer wall of the pool has a diagonal of 17.8 feet, what is the volume of the pool? (round to nearest tenth)

Vinay constructed this spinner based on the population of teachers at his school according to vinays model what is the probability that he will have a male history teacher two years in a row

Find the distance from the theater to the library. leave your answer in simplest radical form if necessary. 12 √12 74 √74