The simple one-celled organism seen here, an amoeba, moves by streaming its cytoplasm into false feet or pseudopods. amoeba can easily change shape because two-thirds of the mass of the cell is a) air. b) water. c) the cytoskeleton. d) a contractile vacuole.

Initially 100 milligrams of a radioactive substance was present. after 6 hours the mass had decreased by 4%. if the rate of decay is proportional to the amount of the substance present at time t, find the amount remaining after 24 hours. (round your answer to one decimal place.)

The number of branches on a tree demonstrates the fibonacci sequence. how many branches would there be on the next two levels of this tree? 13 | | | m branches

Over the last 8 nights, elyse earned the following in tips: {105, 120, 84, 95, 100, 132, 140}. if she earns $140 a night for the next four nights, which measure of center would increase more, the mean or median?