WILL MARK AS BRAINLIEST!! if y varies directly as x and y=3 when x=12, what is the value of y when x=18

Which value of m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12

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?

Ineed with 8,9 and 10 love ya guysss