During a thunderstorm yesterday, 480 millimeters of rain fell in 30 minutes. What is the unit rate for millimeters per minute? Use pencil and paper. Describe a situation in which it would be useful to know this unit rate. Explain why the unit rate would be useful. The unit rate is ___ millimeter(s) per minute.

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?

Henry's butcher shop uses an electronic scale that measures to 1/100 of a pound. which is the most accurate measurement based on the limitations of the scale that might be found on a package of meat sold by henry?

Asingle die is rolled twice. find the probability of rolling a 3 the first time and a 2 the second time