3y+5=-19 I need to find what y is

If you are just building your payment history, how many points from a perfect score will you possibly miss?

Pyramid shown has a square base that is 18 inches on each side has a surface area of 164 square inches what is the slant height

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?