Pls answer and give a full step by step explanation.

The graph shows the distance kerri drives on a trip. what is kerri's speed?

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?

Drag each equation to the correct location on the table. for each equation, determine the number of solutions and place on the appropriate field in the table.