Ihave no idea how to do this! let x and y be numbers such that -y which of the following must be true? i. |x| ii. x> 0 iii. y> 0 a) i only b) i and ii only c) i and iii only d) i, ii, and iii

If the measure of angle 1 is 110 degrees and the measure of angle 3 is (2 x+10 degree), what is the value of x?

What is r i 4.5+10r=-6.5 with work pls

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?