Write these fractions as a pair of fractions with a COMMON denominator. 2 points 3
and
10
ON
3/10 and 3/15
3/10 and 4/10
4/15 and 6/15
2/5 and 1/5

Which of the fallowing best completes the sequence 12,8,5, a) 1 b) 2 c)4 d)0

If you answer 2+2 you will get over 80 points

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?