Jordan has $11.40 to spend at the used book store. each book costs $2.85.how many book can jordan buy

What is the rate of change of a line that passes through (2,-5) and (6,-2)?

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?

Find the length of the normal and the angle it makes with the positive x-axis. (see pictured below)