Which properties of equality are used to solve the following (in no particular order)?
2(x - 12) = 30
a.)addition property of equality
b.)subtraction property of equality
c.)division property of equality
d.)distributive property

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2 acellus answer

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?

If np3 /nc2 = 6, find the value of n