Sarah visited a tree nursery. She measured and recorded the heights of some young trees. This line plot shows her results. How much taller is one of the tallest trees than one of the shortest trees? Enter your answer as a mixed number in simplest form by filling in the boxes.

Imagine a new pasture with grass growing on it. every day after the seeds have germinated, the number of blades of grass in the pasture triples. after 18 days, the entire pasture is completely covered in grass. how many days did it take for the pasture to be one-third covered in grass?

Which expression converts 45 degree to radians

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)