What is the solution to. this mathematics 20°24'+24°30'

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.

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?

Every night nathan has to read for at least 25 minutes write and inequality that shows how long nathan can read each night