The table below shows the data for a random sample of fish that were collected from and later released into a lake: type of fish catfish grass carp bluegill number of fish 52        61          87 how many catfish are estimated to be present if a sample of 800 fish is collected from the lake

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

5, 6, 10 question: a. determine whether the side lengths form a triangle. (explain your reasoning) b. if it is a triangle, determine whether it is a right, acute, or obtuse triangle. (show your work)

Assume that there is a 11% rate of disk drive failure in a year. a. if all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with at least one working drive? b. if copies of all your computer data are stored on four independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive?