Jonathan his father every summer with the family business in pool cleaning. they are on pool with a clogged drain. it takes 8 hours to drain 3/5 of the pool. how long will it takes the pump to drain the entire pool?

Find the total area for the regular pyramid ( follow the answer set up in the picture)

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

Aflower has 26 chromosomes. to create a new flower, how many chromosomes would a sperm cell have? what is this process called? part 2: within a flower cell that has 26 chromosomes, how many chromosomes would a cell that is created within the stem of a flower as it grows, have? what is this process called?