Which pair of coordinate points has a slope of -2? A: (6, 12) and (7, 10)
B: (2, 1) and (0, 0)
C: (3, 2) and (9, 8)
D: (1, 4) and (10, 20)

Ineeeeed this is due tomorrow and i dont know the answer can you find all the exponents

Select the lengths in centimeters that would form a right triangle

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?