4) Mrs. Armstrong bought a circular, inflatable, above-ground pool for her family. The pool has a radius of 4.5 feet. Which is closest to the area
of the pool? *
O A) 14.13 ft2
B) 28.26 ft 2
O C) 63.62 ft^2
D) 254.34 ft^2

Michael is training for a marathon. in his first week he plans to run 8miles. what path should he take

The map shows the location of the airport and a warehouse in a city. though not displayed on the map, there is also a factory 112 miles due north of the warehouse.a truck traveled from the warehouse to the airport and then to the factory. what is the total number of miles the truck traveled?

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?