How do you divide 2/x ÷ 4/3x? the process would be much appreciated

Choose the correct slope of the line that passes through the points (1, -3) and (3, -5)

Need on this geometry question. explain how you did it.

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?